APA-ийн эшлэл(7 дахь хэвлэлт)

Grubb, T. C. (2006). Ptilochronology: Feather time and the biology of birds. Oxford University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Grubb, Thomas C. Ptilochronology: Feather Time and the Biology of Birds. Oxford: Oxford University Press, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Grubb, Thomas C. Ptilochronology: Feather Time and the Biology of Birds. Oxford University Press, 2006.