APA
UNITED NATIONS P. C. N. B., UNITED NATIONS P. C. N. B., . (1967). Statistics on narcotic drugs for 1966. New York: UN.
Chicago
UNITED NATIONS PERMANENT CENTRAL NARCOTICS BOARD, UNITED NATIONS PERMANENT CENTRAL NARCOTICS BOARD, . 1967. Statistics on narcotic drugs for 1966. New York: UN.
Harvard
UNITED NATIONS P. C. N. B., UNITED NATIONS P. C. N. B., . (1967). Statistics on narcotic drugs for 1966. New York: UN.
MLA
UNITED NATIONS PERMANENT CENTRAL NARCOTICS BOARD, UNITED NATIONS PERMANENT CENTRAL NARCOTICS BOARD, . Statistics on narcotic drugs for 1966. New York: UN. 1967.
