Collier, P., & Sambanis, N. (2005). Understanding Civil War: Volume 1: Preface. World Bank.
芝加哥风格引文Collier, P., 与 N. Sambanis. Understanding Civil War: Volume 1: Preface. World Bank, 2005.
MLA引文Collier, P., 与 N. Sambanis. Understanding Civil War: Volume 1: Preface. World Bank, 2005.
警告：这些引文格式不一定是100％准确.