Boyd, A. (2001). An Atlas of World affairs (10th ed.). Routledge.
Chicago Style (17th ed.) ZitazioaBoyd, Andrew. An Atlas of World Affairs. 10th ed. London: Routledge, 2001.
MLA (9th ed.) ZitazioaBoyd, Andrew. An Atlas of World Affairs. 10th ed. Routledge, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.