Comrie, B. (2011). World's major languages (2nd ed.). Routledge.
Dyfyniad Arddull ChicagoComrie, Bernad;ed. World's Major Languages. 2nd ed. Oxon: Routledge, 2011.
Dyfyniad MLAComrie, Bernad;ed. World's Major Languages. 2nd ed. Routledge, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.