United Nations International Drug Control Programme. (1998). Recommended methods for testing opium, morphine and heroin: Manual for use by national drug testing laboratories, laboratory section. UN.
Чикаго маягийн жагсаалтUnited Nations International Drug Control Programme. Recommended Methods for Testing Opium, Morphine and Heroin: Manual for Use by National Drug Testing Laboratories, Laboratory Section. New York: UN, 1998.
MLA ишлэлUnited Nations International Drug Control Programme. Recommended Methods for Testing Opium, Morphine and Heroin: Manual for Use by National Drug Testing Laboratories, Laboratory Section. UN, 1998.
Warning: These citations may not always be 100% accurate.