Παραπομπή σε μορφή APA (7η εκδ.)

Austin, O. L. (1961). Birds of the world: A survey of the twenty-seven orders and one hundred and fifty-five families. Golden Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Austin, Oliver Luther. Birds of the World: A Survey of the Twenty-seven Orders and One Hundred and Fifty-five Families. Italy: Golden Press, 1961.

Παραπομπή σε μορφή MLA (8th εκδ.)

Austin, Oliver Luther. Birds of the World: A Survey of the Twenty-seven Orders and One Hundred and Fifty-five Families. Golden Press, 1961.