APA (7th ed.) Zitazioa
Loukotka, Č., & Wilbert, J. (1968). Classification of South American Indian Languages. Latin American Center, University of California, Los Angeles.
Chicago Style (17th ed.) Zitazioa
Loukotka, Čestmír, eta Johannes Wilbert. Classification of South American Indian Languages. Los Angeles, California: Latin American Center, University of California, Los Angeles, 1968.
MLA (9th ed.) Zitazioa
Loukotka, Čestmír, eta Johannes Wilbert. Classification of South American Indian Languages. Latin American Center, University of California, Los Angeles, 1968.
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