(1998). Recommended methods for testing opium, morphine and heroin: Manual for use by national drug testing laboratories. United Nations.
Chicago-Zitierstil (17. Ausg.)Recommended Methods for Testing Opium, Morphine and Heroin: Manual for Use by National Drug Testing Laboratories. New York: United Nations, 1998.
MLA-Zitierstil (9. Ausg.)Recommended Methods for Testing Opium, Morphine and Heroin: Manual for Use by National Drug Testing Laboratories. United Nations, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.