APA aipamena

Cooray, P. G. (2013). The Geological Sciences in the Service of Nigeria. University of Ife Press.

Chicago Style aipamena

Cooray, P. G. The Geological Sciences in the Service of Nigeria. University of Ife Press, 2013.

MLA aipamena

Cooray, P. G. The Geological Sciences in the Service of Nigeria. University of Ife Press, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.