Παραπομπή APA

Comrie, B. (2011). The World's major languages (2nd ed.). Oxford University Press.

Παραπομπή Chicago Style

Comrie, Bernard. The World's Major Languages. 2nd ed. New York: Oxford University Press, 2011.

Παραπομπή MLA

Comrie, Bernard. The World's Major Languages. 2nd ed. Oxford University Press, 2011.