Campbell, G. L. (2000). Compendium of the world's languages (2nd ed.). London ; New York: Routledge.
Trích dẫn kiểu ChicagoCampbell, George L. Compendium of the World's Languages. 2nd ed. London ; New York: Routledge, 2000.
Deismireacht MLACampbell, George L. Compendium of the World's Languages. 2nd ed. London ; New York: Routledge, 2000.
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