APA (7e ed.) Bronvermelding
Grubb, T. C. (2006). Ptilochronology: Feather time and the biology of birds. Oxford University Press.
Chicago (17e ed.) Bronvermelding
Grubb, Thomas C. Ptilochronology: Feather Time and the Biology of Birds. Oxford: Oxford University Press, 2006.
MLA (9e ed.) Bronvermelding
Grubb, Thomas C. Ptilochronology: Feather Time and the Biology of Birds. Oxford University Press, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.