APA aipamena

(2006). FACTS AT YOUR FINGERTIPS: MAMMALS. BROWN BEAR BOOKS.

Chicago Style aipamena

FACTS AT YOUR FINGERTIPS: MAMMALS. USA: BROWN BEAR BOOKS, 2006.

MLA aipamena

FACTS AT YOUR FINGERTIPS: MAMMALS. BROWN BEAR BOOKS, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.