Template:R:Upson & Longacre 1965
Upson, B. W.; Longacre, Robert E. (October 1965), “Proto-Chatino phonology”, International Journal of American Linguistics, 卷31, 期4, DOI:, JSTOR 1264039, 页312–322
Upson, B. W.; Longacre, Robert E. (October 1965), “Proto-Chatino phonology”, International Journal of American Linguistics, 卷31, 期4, DOI:10.1086/464861, JSTOR 1264039, 页312–322