APA (7th ed.) Zitazioa

Various. Birds and Nature, Vol. 08, No. 5, December 1900 Illustrated by Color Photography.

Chicago Style (17th ed.) Zitazioa

Various. Birds and Nature, Vol. 08, No. 5, December 1900 Illustrated by Color Photography.

MLA (9th ed.) Zitazioa

Various. Birds and Nature, Vol. 08, No. 5, December 1900 Illustrated by Color Photography.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.