Harbury, C. D. (1972). Descriptive economies (4th ed.). Pitman Publishing.
芝加哥风格引文Harbury, C. D. Descriptive Economies. 4th ed. London: Pitman Publishing, 1972.
MLA引文Harbury, C. D. Descriptive Economies. 4th ed. Pitman Publishing, 1972.
警告：这些引文格式不一定是100％准确.