Citazione Stile APA (7a Edizione)

U.S. Dept. of Commerce. (1963). Africa: Sales frontier for U.S. business. U.S. Govt. Print Off.

Citazione stile Chigago Style (17a edizione)

U.S. Dept. of Commerce. Africa: Sales Frontier for U.S. Business. Washington, D.C: U.S. Govt. Print Off, 1963.

Citatione MLA (9a ed.)

U.S. Dept. of Commerce. Africa: Sales Frontier for U.S. Business. U.S. Govt. Print Off, 1963.