Comrie, B. (2009). The World's major languages (2nd ed.). Routledge.
Citación estilo ChicagoComrie, Bernard. The World's Major Languages. 2nd ed. London: Routledge, 2009.
Cita MLAComrie, Bernard. The World's Major Languages. 2nd ed. Routledge, 2009.
Warning: These citations may not always be 100% accurate.