Baker, C. (2001). Foundations of Bilingual Education and Bilingualism (Third ed.): Multilingual Matters.

Cummins, J. (1979). Linguistic Interdependence and the Educational Development of Bilingual Children. Review of Educational Research, 49(2), 222-251.

Cummins, J. (2000). Language, power, and pedagogy: bilingual children in the crossfire. Clevedon [England; Buffalo [N.Y.]: Multilingual Matters.

Freeman, R. D. (1998). Bilingual education and social change. Clevedon [England]; Philadelphia: Multilingual Matters.

Hill, R. K. (2017). Bilingual Education in Aotearoa/New Zealand. In O. García, A. Lin, & S. May (Eds.), Bilingual and Multilingual Education (3rd ed., pp. 329–345). Cham, Switzerland: Springer. 

McCaffrey J.& McFall-McCaffrey J. T. (2010). “O tatou O Aga’i i fea?/Oku Tau O Ki Fe?/Where are we heading? Pacific languages in Aotearoa/New Zealand”. An International Journal of Indigenous Peoples (86-121).

May, S. (2001). Language and Minority Rights: ethnicity, nationalism and the politics of language. London: Longman. 

May, S. (2008). Bilingual/Immersion Education: What the Research Tells Us. In K. Cummins, & Hornberger, N. H. (Ed.), Encyclopedia of Language and Education (2nd ed., Vol. Bilingual Education): Springer Science Business Media LLC.

May, S., Hill, R. & Tiakiwai, S. (2006). Bilingual/Immersion education: Indicators of good practice. Report to the Ministry of Education. New Zealand: the Ministry of Education.

May S., Hill R. (2008) Māori-medium Education: Current Issues and Challenges. In: Hornberger N.H. (eds) Can Schools Save Indigenous Languages? Palgrave Studies in Minority Languages and Communities. Palgrave Macmillan, London

Pacific Policy Research Center. 2010. Successful Bilingual and Immersion Education Models/Programs. Honolulu: Kamehameha Schools, Research & Evaluation Division.

Raghunathan, A. (2018). Case study – school programs and Māori language revitalisation in New Zealand. In Global Lessons: Indigenous languages and multilingualism in school programmes. First Languages Australia.

Reese E, Ballard E, Taumoepeau M, Taumoefolau M, Morton SMB, Grant C C, Atatoa Carr P, McNaughton S, Schmidt J, Mohal J, Perese L (2015). Estimating language skills in Samoan- and Tongan-speaking children growing up in New Zealand. First Language. 35(4-5): 407-427

Spolsky, Bernard. (1989). Māori bilingual education and language revitalisation. Journal of Multilingual and Multicultural Development, 9(6), 1-18.