APA
United Nations E. a. s. c., United Nations E. a. s. c., . (1971). Economic commission for the Africa annual report (15th Feb. 1970- 13 Feb 1971). New York: United Nations.
Chicago
United Nations Economic and social council, United Nations Economic and social council, . 1971. Economic commission for the Africa annual report (15th Feb. 1970- 13 Feb 1971). New York: United Nations.
Harvard
United Nations E. a. s. c., United Nations E. a. s. c., . (1971). Economic commission for the Africa annual report (15th Feb. 1970- 13 Feb 1971). New York: United Nations.
MLA
United Nations Economic and social council, United Nations Economic and social council, . Economic commission for the Africa annual report (15th Feb. 1970- 13 Feb 1971). New York: United Nations. 1971.
