APA
UNITED NATIONS D. S. B., UNITED NATIONS D. S. B., . (1957). Estimated world requirement of narcoticdrugs in 1957. Geneva: UN.
Chicago
UNITED NATIONS DRUG SUPERVISORY BODY, UNITED NATIONS DRUG SUPERVISORY BODY, . 1957. Estimated world requirement of narcoticdrugs in 1957. Geneva: UN.
Harvard
UNITED NATIONS D. S. B., UNITED NATIONS D. S. B., . (1957). Estimated world requirement of narcoticdrugs in 1957. Geneva: UN.
MLA
UNITED NATIONS DRUG SUPERVISORY BODY, UNITED NATIONS DRUG SUPERVISORY BODY, . Estimated world requirement of narcoticdrugs in 1957. Geneva: UN. 1957.
