Comrie, B. (2011). World's major languages (2nd ed.). Routledge.
Chicago Style aipamenaComrie, Bernad;ed. World's Major Languages. 2nd ed. Oxon: Routledge, 2011.
MLA aipamenaComrie, Bernad;ed. World's Major Languages. 2nd ed. Routledge, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.