Cita APA

Wilbert, J. (1968). Ioukotk'as classification of South American indian languages. University of California.

Citación estilo Chicago

Wilbert, Johannes. Ioukotk'as Classification of South American Indian Languages. Los Angeles: University of California, 1968.

Cita MLA

Wilbert, Johannes. Ioukotk'as Classification of South American Indian Languages. Los Angeles: University of California, 1968.