Cummings, W. K. (1986). Low-cost primary education: Implementing an innovation in six nations. International Development Research Centre.
芝加哥风格引文Cummings, William K. Low-cost Primary Education: Implementing an Innovation in Six Nations. Ottawa, Ont., Canada: International Development Research Centre, 1986.
MLA引文Cummings, William K. Low-cost Primary Education: Implementing an Innovation in Six Nations. International Development Research Centre, 1986.
警告：这些引文格式不一定是100％准确.