APA (7th ed.) Zitazioa
ebrary, Inc, Derluguian, G. M., & Greer, S. L. (2000). Questioning geopolitics: Political projects in a changing world-system. Greenwood Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Georgi M. Derluguian, eta Scott L. Greer. Questioning Geopolitics: Political Projects in a Changing World-system. Westport, Conn.: Greenwood Press, 2000.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Questioning Geopolitics: Political Projects in a Changing World-system. Greenwood Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.