Pollack, M. A., & Shaffer, G. C. (2009). When cooperation fails: The international law and politics of genetically modified foods. Oxford University Press.

Pollack, Mark A., and Gregory C. Shaffer. When Cooperation Fails: The International Law and Politics of Genetically Modified Foods. Oxford ; New York: Oxford University Press, 2009.

Pollack, Mark A., and Gregory C. Shaffer. When Cooperation Fails: The International Law and Politics of Genetically Modified Foods. Oxford University Press, 2009.