APA (7th ed.) Zitazioa
Pollack, M. A., & Shaffer, G. C. (2009). When cooperation fails: The international law and politics of genetically modified foods. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Pollack, Mark A., eta Gregory C. Shaffer. When Cooperation Fails: The International Law and Politics of Genetically Modified Foods. Oxford ; New York: Oxford University Press, 2009.
MLA (9th ed.) Zitazioa
Pollack, Mark A., eta Gregory C. Shaffer. When Cooperation Fails: The International Law and Politics of Genetically Modified Foods. Oxford University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.