Citazione Stile APA (7a Edizione)

Adeleke, B. O., & Leong, G. C. (1978). Certificate physical and human geography (West African ed.). Oxford Univ. Press.

Citazione stile Chigago Style (17a edizione)

Adeleke, B. O., e Goh Cheng Leong. Certificate Physical and Human Geography. West African ed. [Ibadan]: Oxford Univ. Press, 1978.

Citatione MLA (9a ed.)

Adeleke, B. O., e Goh Cheng Leong. Certificate Physical and Human Geography. West African ed. Oxford Univ. Press, 1978.