Cole, G. D. H. (1927). The economic system: An elementary outline. Longmans, Green.
芝加哥风格引文Cole, G. D. H. The Economic System: An Elementary Outline. London: Longmans, Green, 1927.
MLA引文Cole, G. D. H. The Economic System: An Elementary Outline. Longmans, Green, 1927.
警告：这些引文格式不一定是100％准确.