APA aipamena

BOYD, A. (1985). An atlas of world affairs.-- ed.7. Methuen.

Chicago Style aipamena

BOYD, Andrew. An Atlas of World Affairs.-- Ed.7. London: Methuen, 1985.

MLA aipamena

BOYD, Andrew. An Atlas of World Affairs.-- Ed.7. Methuen, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.