APA (7th ed.) Zitazioa
Grubb, T. C. (2006). Ptilochronology: Feather time and the biology of birds. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Grubb, Thomas C. Ptilochronology: Feather Time and the Biology of Birds. Oxford: Oxford University Press, 2006.
MLA (9th ed.) Zitazioa
Grubb, Thomas C. Ptilochronology: Feather Time and the Biology of Birds. Oxford University Press, 2006.
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