APA-ийн эшлэл(7 дахь хэвлэлт)

Villar, O., & Cottle, D. (2011). Cocaine, death squads, and the war on terror: U.S. imperialism and class struggle in Colombia. Monthly Review Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Villar, Oliver, ба Drew Cottle. Cocaine, Death Squads, and the War on Terror: U.S. Imperialism and Class Struggle in Colombia. New York: Monthly Review Press, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Villar, Oliver, ба Drew Cottle. Cocaine, Death Squads, and the War on Terror: U.S. Imperialism and Class Struggle in Colombia. Monthly Review Press, 2011.