Soule, G. H. (1961). Economics: Measurement, theories, case studies. Holt, Rinehart and Winston.
芝加哥风格引文Soule, George Henry. Economics: Measurement, Theories, Case Studies. New York: Holt, Rinehart and Winston, 1961.
MLA引文Soule, George Henry. Economics: Measurement, Theories, Case Studies. Holt, Rinehart and Winston, 1961.
警告：这些引文格式不一定是100％准确.