APA
UNITED NATIONS C. O. N. D., UNITED NATIONS C. O. N. D., . (1957). Annual reports,1957. Geneva: UN.
Chicago
UNITED NATIONS COMMISSION OF NARCOTIC DRUGS, UNITED NATIONS COMMISSION OF NARCOTIC DRUGS, . 1957. Annual reports,1957. Geneva: UN.
Harvard
UNITED NATIONS C. O. N. D., UNITED NATIONS C. O. N. D., . (1957). Annual reports,1957. Geneva: UN.
MLA
UNITED NATIONS COMMISSION OF NARCOTIC DRUGS, UNITED NATIONS COMMISSION OF NARCOTIC DRUGS, . Annual reports,1957. Geneva: UN. 1957.
