APA

,, . (1981). Year book of the international law commission, 1981. New York: UNO.

Chicago

,, . 1981. Year book of the international law commission, 1981. New York: UNO.

Harvard

,, . (1981). Year book of the international law commission, 1981. New York: UNO.

MLA

,, . Year book of the international law commission, 1981. New York: UNO. 1981.