Citazione Stile APA (7a Edizione)

Okolo, A. P. A. (1987). Foreign capital in Nigeria, 1900-1975: Roots of underdevelopment. Heartland Pub. House.

Citazione stile Chigago Style (17a edizione)

Okolo, Amechi Peters Adolf. Foreign Capital in Nigeria, 1900-1975: Roots of Underdevelopment. Lagos ; New York: Heartland Pub. House, 1987.

Citatione MLA (8a ed.)

Okolo, Amechi Peters Adolf. Foreign Capital in Nigeria, 1900-1975: Roots of Underdevelopment. Heartland Pub. House, 1987.