Collier, P., Hoeffler, A., & Rohner, D. (2009). Beyond greed and grievance: Feasibility and civil war.
芝加哥风格引文Collier, P., A. Hoeffler, 与 D. Rohner. Beyond Greed and Grievance: Feasibility and Civil War. 2009.
MLA引文Collier, P., et al. Beyond Greed and Grievance: Feasibility and Civil War. 2009.
警告：这些引文格式不一定是100％准确.