APA aipamena

Halstead, L. B. (2013). Ife and Biology. Obafemi Awolowo University Press.

Chicago Style aipamena

Halstead, L. B. Ife and Biology. Obafemi Awolowo University Press, 2013.

MLA aipamena

Halstead, L. B. Ife and Biology. Obafemi Awolowo University Press, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.