Crouch, M. (1983). Six simple pumps: A construction guide. Arlington, Virginia : Volunteers in Technical Assistance.
芝加哥风格引文Crouch, Margaret. Six Simple Pumps: A Construction Guide. Arlington, Virginia : Volunteers in Technical Assistance, 1983.
MLA引文Crouch, Margaret. Six Simple Pumps: A Construction Guide. Arlington, Virginia : Volunteers in Technical Assistance, 1983.
警告：这些引文格式不一定是100％准确.