Katzner, K. (1975). The language of the world. Funk and Wagnals.
Cita Chicago Style (17a ed.)Katzner, Kenneth. The Language of the World. New York: Funk and Wagnals, 1975.
Cita MLA (9a ed.)Katzner, Kenneth. The Language of the World. Funk and Wagnals, 1975.
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