Beedy, E. C. (2013). Birds of the Sierra Nevada: Their natural history, status, and distribution. University of California Press.
Chicago-Zitierstil (17. Ausg.)Beedy, Edward C. Birds of the Sierra Nevada: Their Natural History, Status, and Distribution. Berkeley, California: University of California Press, 2013.
MLA-Zitierstil (9. Ausg.)Beedy, Edward C. Birds of the Sierra Nevada: Their Natural History, Status, and Distribution. University of California Press, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.