1. Banks, R. C., Cicero, C., Dunn, J. L., Kratter, A. W., Rasmussen, P. C., Remsen, J. V. Jr., Rising, J. D. & Stotz, D. F. 2004. Forty-fifth supplement to the American Ornithologists' Union Check-list of North American Birds. Auk 121: 985–995.
2. Brazil, M. A. 1991. The Birds of Japan. Christopher Helm, London.
3. Brazil, M. A. 2009. Birds of East Asia. Princeton University Press, Princeton.
4. Deuel, B. 2004. Preliminary Notes on the Identification of Cackling and Canada Geese. Western Birds 35: 181–183.
5. Deviche, P. & Moore, M. 2008. Arizona White-cheeked geese: The Canada vs. Cackling Goose Identification Challenge. Arizona Field Ornithologists. URL: http://www.azfo.org/gallery/challenges/WhiteCheekedGeese.html (accessed on 26 November 2009).