Cita APA (7a ed.)

Katzner, K. (2002). The languages of the world (3rd ed.). Routledge.

Cita Chicago Style (17a ed.)

Katzner, Kenneth. The Languages of the World. 3rd ed. London ; New York: Routledge, 2002.

Cita MLA (8a ed.)

Katzner, Kenneth. The Languages of the World. 3rd ed. Routledge, 2002.

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