APA (7e ed.) Bronvermelding

Maboganja, A. (1997). The State of the earth: Contemporary. Block Well.

Chicago (17e ed.) Bronvermelding

Maboganja, Akin. The State of the Earth: Contemporary. New York: Block Well, 1997.

MLA (9e ed.) Bronvermelding

Maboganja, Akin. The State of the Earth: Contemporary. Block Well, 1997.