APA (7e ed.) Bronvermelding
Wells, J. V. (2007). Birder's conservation handbook: 100 North American birds at risk. Princeton University Press.
Chicago (17e ed.) Bronvermelding
Wells, Jeffrey V. Birder's Conservation Handbook: 100 North American Birds at Risk. Princeton, N.J. ; Woodstock: Princeton University Press, 2007.
MLA (9e ed.) Bronvermelding
Wells, Jeffrey V. Birder's Conservation Handbook: 100 North American Birds at Risk. Princeton University Press, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.