G. P. Hosking; J. A. Hutcheson (April 1986). "Hard beech (Nothofagus truncata) decline on the Mamaku Plateau, North Island, New Zealand". New Zealand Journal of Botany. 24 (2): 263–269. doi:10.1080/0028825X.1986.10412676. ISSN0028-825X. WikidataQ109478076.
jstor.org
Terry C. Greene (1998). "Foraging Ecology of the Red-Crowned Parakeet (Cyanoramphus novaezelandiae novaezelandiae) and Yellow-Crowned Parakeet (C. auriceps auriceps) on Little Barrier Island, Hauraki Gulf, New Zealand". New Zealand Journal of Ecology. 22 (2): 161–171. ISSN0110-6465. JSTOR24054688. WikidataQ109478236.
G. P. Hosking; J. A. Hutcheson (April 1986). "Hard beech (Nothofagus truncata) decline on the Mamaku Plateau, North Island, New Zealand". New Zealand Journal of Botany. 24 (2): 263–269. doi:10.1080/0028825X.1986.10412676. ISSN0028-825X. WikidataQ109478076.
Terry C. Greene (1998). "Foraging Ecology of the Red-Crowned Parakeet (Cyanoramphus novaezelandiae novaezelandiae) and Yellow-Crowned Parakeet (C. auriceps auriceps) on Little Barrier Island, Hauraki Gulf, New Zealand". New Zealand Journal of Ecology. 22 (2): 161–171. ISSN0110-6465. JSTOR24054688. WikidataQ109478236.
G. P. Hosking; J. A. Hutcheson (April 1986). "Hard beech (Nothofagus truncata) decline on the Mamaku Plateau, North Island, New Zealand". New Zealand Journal of Botany. 24 (2): 263–269. doi:10.1080/0028825X.1986.10412676. ISSN0028-825X. WikidataQ109478076.
Terry C. Greene (1998). "Foraging Ecology of the Red-Crowned Parakeet (Cyanoramphus novaezelandiae novaezelandiae) and Yellow-Crowned Parakeet (C. auriceps auriceps) on Little Barrier Island, Hauraki Gulf, New Zealand". New Zealand Journal of Ecology. 22 (2): 161–171. ISSN0110-6465. JSTOR24054688. WikidataQ109478236.