Citazione Stile APA (7a Edizione)

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.