Zietz, J. (1988). Agriculture in the GATT: An analysis of alternative approaches to reform. International Food Policy Research Institute.
Citazione stile Chigago Style (17a edizione)Zietz, Joachim. Agriculture in the GATT: An Analysis of Alternative Approaches to Reform. Washington, D.C: International Food Policy Research Institute, 1988.
Citatione MLA (9a ed.)Zietz, Joachim. Agriculture in the GATT: An Analysis of Alternative Approaches to Reform. International Food Policy Research Institute, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.