Bent, A. C. (1949). Life histories of North American thrushes, kinglets, and their allies: Order passeriformes. United States Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Bent, Arthur C. Life Histories of North American Thrushes, Kinglets, and Their Allies: Order Passeriformes. Washington: United States Government Printing Office, 1949.
MLA-Zitierstil (9. Ausg.)Bent, Arthur C. Life Histories of North American Thrushes, Kinglets, and Their Allies: Order Passeriformes. United States Government Printing Office, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.