Gaya APA

Beletsky, L. (2007). Bird Songs From Around the World: Featuring Songs of 200 Birds from the Cornell Lab of Ornithology (Push and Listen) . : Chronicle Books.

Gaya MLA

Beletsky, Les. "Bird Songs From Around the World: Featuring Songs of 200 Birds from the Cornell Lab of Ornithology (Push and Listen)". : Chronicle Books, 2007. Text.