APA aipamena

Gruson, E. S. (1976). Checklist of the birds of the world: A complete list of the species, with names, authorities and ar. CUP.

Chicago Style aipamena

Gruson, Edward S. Checklist of the Birds of the World: A Complete List of the Species, with Names, Authorities and Ar. CUP, 1976.

MLA aipamena

Gruson, Edward S. Checklist of the Birds of the World: A Complete List of the Species, with Names, Authorities and Ar. CUP, 1976.