- Tregear, Edward. (1891). Maori-Polynesian Comparative Dictionary. Wellington: Government Printer, p. 459.
- White, John. (1887). Ancient History of the Maori. 6 vols. Wellington: G. Didsbury, Government Printer, p. 3:4.
- Wohlers, J. F. H. (1875). "Mythology and Tradition of the Maori." New Zealand Institute, Transactions 7:3-53, p. 22.
This article incorporates text from Maori-Polynesian Comparative Dictionary (1891) by Edward Tregear, which is in the public domain.