APA

U.S. Bureau of International Commerce, International commerce, . (1968). Africa: a growth for U.S. business. Washington, for sale by the Supt. of Docs., U.S. Govt. Print. Off: .

Chicago

U.S. Bureau of International Commerce, International commerce, . 1968. Africa: a growth for U.S. business. Washington, for sale by the Supt. of Docs., U.S. Govt. Print. Off: .

Harvard

U.S. Bureau of International Commerce, International commerce, . (1968). Africa: a growth for U.S. business. Washington, for sale by the Supt. of Docs., U.S. Govt. Print. Off: .

MLA

U.S. Bureau of International Commerce, International commerce, . Africa: a growth for U.S. business. Washington, for sale by the Supt. of Docs., U.S. Govt. Print. Off: . 1968.