ROBSON, D. (2001). WILD, WILD WORLD BIRDS OF PREY AND OTHER FEATHERED FRIENDS.
Cita Chicago (17th ed.)ROBSON, DENNY. WILD, WILD WORLD BIRDS OF PREY AND OTHER FEATHERED FRIENDS. 2001.
Cita MLA (9th ed.)ROBSON, DENNY. WILD, WILD WORLD BIRDS OF PREY AND OTHER FEATHERED FRIENDS. 2001.
Atenció: Aquestes cites poden no estar 100% correctes.