APA

,, . (1983). Year book of the United Nations, 1980. New York: UNO.

Chicago

,, . 1983. Year book of the United Nations, 1980. New York: UNO.

Harvard

,, . (1983). Year book of the United Nations, 1980. New York: UNO.

MLA

,, . Year book of the United Nations, 1980. New York: UNO. 1983.