Austin, O. L. (1975). Birds of the world, a survey of the twenty seven orders and one hundred and fifty five families. Hamlyn.
Chicago Edition CitationAustin, Oiiver L. Birds of the World, a Survey of the Twenty Seven Orders and One Hundred and Fifty Five Families. London: Hamlyn, 1975.
MLA Edition CitationAustin, Oiiver L. Birds of the World, a Survey of the Twenty Seven Orders and One Hundred and Fifty Five Families. Hamlyn, 1975.
Warning: These citations may not always be 100% accurate.