Roberts, J. J. (2003). The origins of conflict in Afghanistan. Praeger.
芝加哥风格引文Roberts, Jeffery J. The Origins of Conflict in Afghanistan. Westport, Conn.: Praeger, 2003.
MLA引文Roberts, Jeffery J. The Origins of Conflict in Afghanistan. Praeger, 2003.
警告：这些引文格式不一定是100％准确.