APA

,, . (1961). Year book of the United Nations, 1960. New York: UNO.

Chicago

,, . 1961. Year book of the United Nations, 1960. New York: UNO.

Harvard

,, . (1961). Year book of the United Nations, 1960. New York: UNO.

MLA

,, . Year book of the United Nations, 1960. New York: UNO. 1961.