Cowan, M. M. (1969). Tzotzil grammar. [S.l.]: Summer Institute Linguistics of the University of Oklahoma.
Chicago Style CitationCowan, Marion M. Tzotzil Grammar. [S.l.]: Summer Institute Linguistics of the University of Oklahoma, 1969.
MLA CitationCowan, Marion M. Tzotzil Grammar. [S.l.]: Summer Institute Linguistics of the University of Oklahoma, 1969.
Warning: These citations may not always be 100% accurate.