Rabasa, A., & Chalk, P. (2001). Colombian labyrinth: The synergy of drugs and insurgency and its implications for regional stability. RAND.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rabasa, Angel, و Peter Chalk. Colombian Labyrinth: The Synergy of Drugs and Insurgency and Its Implications for Regional Stability. Santa Monica, Calif.: RAND, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rabasa, Angel, و Peter Chalk. Colombian Labyrinth: The Synergy of Drugs and Insurgency and Its Implications for Regional Stability. RAND, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.