Penny, E. M. (1932). The co-operative movement and the consumer. York: National Guild of Co-operators (NGC).
芝加哥风格引文Penny, Edna M. The Co-operative Movement and the Consumer. York: National Guild of Co-operators (NGC), 1932.
MLA引文Penny, Edna M. The Co-operative Movement and the Consumer. York: National Guild of Co-operators (NGC), 1932.
警告：这些引文格式不一定是100％准确.