APA

,, . (1970). Year book of the United Nations, 1970. New York: UNO.

Chicago

,, . 1970. Year book of the United Nations, 1970. New York: UNO.

Harvard

,, . (1970). Year book of the United Nations, 1970. New York: UNO.

MLA

,, . Year book of the United Nations, 1970. New York: UNO. 1970.