Zietz, J. (1988). Agriculture in the GATT: An analysis of alternative approaches to reform. International Food Policy Research Institute.
芝加哥风格引文Zietz, Joachim. Agriculture in the GATT: An Analysis of Alternative Approaches to Reform. Washington, D.C: International Food Policy Research Institute, 1988.
MLA引文Zietz, Joachim. Agriculture in the GATT: An Analysis of Alternative Approaches to Reform. International Food Policy Research Institute, 1988.
警告：这些引文格式不一定是100％准确.