APA aipamena

Ashaye, T. I. (2013). Soils, Civilisations and the March of Time. Obafemi Awolowo University Press.

Chicago Style aipamena

Ashaye, T. I. Soils, Civilisations and the March of Time. Obafemi Awolowo University Press, 2013.

MLA aipamena

Ashaye, T. I. Soils, Civilisations and the March of Time. Obafemi Awolowo University Press, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.