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.
Цитирование в стиле Чикаго (17-е изд.)United 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.
Цитирование MLA (8-е изд.)United 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.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.