Alderton, D. (2014). The World Encyclopedia of Birds. Hermes House.
Tohutoru Kātū Chicago (17th ed.)Alderton, David. The World Encyclopedia of Birds. London: Hermes House, 2014.
Tohutoro MLA (9th ed.)Alderton, David. The World Encyclopedia of Birds. Hermes House, 2014.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.