APA
Vienna i. n. c. b., Vienna i. n. c. b., . (1979). Statistics on psyehotropic substances for 1978. New York: U.N.
Chicago
Vienna international narcotics control board, Vienna international narcotics control board, . 1979. Statistics on psyehotropic substances for 1978. New York: U.N.
Harvard
Vienna i. n. c. b., Vienna i. n. c. b., . (1979). Statistics on psyehotropic substances for 1978. New York: U.N.
MLA
Vienna international narcotics control board, Vienna international narcotics control board, . Statistics on psyehotropic substances for 1978. New York: U.N. 1979.
