APA (7e ed.) Bronvermelding

Adepetu, J. A. (2013). Soil and Nigerian Food Security. Obafemi Awolowo University Press.

Chicago (17e ed.) Bronvermelding

Adepetu, J. A. Soil and Nigerian Food Security. Obafemi Awolowo University Press, 2013.

MLA (9e ed.) Bronvermelding

Adepetu, J. A. Soil and Nigerian Food Security. Obafemi Awolowo University Press, 2013.

Let op: Deze citaties zijn niet altijd 100% accuraat.