Cramer, G. L., Jensen, C. W., & Southgate, D. D. J. (1997). Agricultural economics and agribusiness (Seventh edition.). John Wiley & Sons, Inc.
芝加哥风格引文Cramer, Gail L., Clarence W. Jensen, 与 Douglas DeWitt Jr Southgate. Agricultural Economics and Agribusiness. Seventh edition. New York: John Wiley & Sons, Inc, 1997.
MLA引文Cramer, Gail L., et al. Agricultural Economics and Agribusiness. Seventh edition. John Wiley & Sons, Inc, 1997.
警告：这些引文格式不一定是100％准确.