APA
UNITED NATIONS D. S. (., UNITED NATIONS D. S. (., . (1962). Estimated world requirement of narcotic drugs in 1962. Geneva: UN.
Chicago
UNITED NATIONS DRUG SUPERVISORY (Body), UNITED NATIONS DRUG SUPERVISORY (Body), . 1962. Estimated world requirement of narcotic drugs in 1962. Geneva: UN.
Harvard
UNITED NATIONS D. S. (., UNITED NATIONS D. S. (., . (1962). Estimated world requirement of narcotic drugs in 1962. Geneva: UN.
MLA
UNITED NATIONS DRUG SUPERVISORY (Body), UNITED NATIONS DRUG SUPERVISORY (Body), . Estimated world requirement of narcotic drugs in 1962. Geneva: UN. 1962.
