APA (7e ed.) Bronvermelding

Ashaye, T. (2019). Soils civilisations and the march of time. University of Ife Press.

Chicago (17e ed.) Bronvermelding

Ashaye, T.I. Soils Civilisations and the March of Time. University of Ife Press, 2019.

MLA (9e ed.) Bronvermelding

Ashaye, T.I. Soils Civilisations and the March of Time. University of Ife Press, 2019.

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