APA (7e ed.) Bronvermelding

Não informado. (1899). Bird lore. National Association of Audubon Societies.

Chicago (17e ed.) Bronvermelding

Não informado. Bird Lore. New York: National Association of Audubon Societies, 1899.

MLA (8e ed.) Bronvermelding

Não informado. Bird Lore. National Association of Audubon Societies, 1899.

Let op: Deze citaties zijn niet altijd 100% accuraat.