Campbell, H. (2009). Drug war zone: Frontline dispatches from the streets of El Paso and Juárez. University of Texas Press.
Lua i Stíl Chicago (17ú heag.)Campbell, Howard. Drug War Zone: Frontline Dispatches from the Streets of El Paso and Juárez. Austin: University of Texas Press, 2009.
Lua MLA (9ú heag.)Campbell, Howard. Drug War Zone: Frontline Dispatches from the Streets of El Paso and Juárez. University of Texas Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.