Pike, Eunice V. (1986). "Tone contrasts in Central Carrier (Athapaskan)". International Journal of American Linguistics. 52 (4): 411–418. doi:10.1086/466032. S2CID144303196.
Wang, William S-Y. (1967). "Phonological features of tone". International Journal of American Linguistics. 33 (2): 93–105. doi:10.1086/464946. JSTOR1263953. S2CID144701899.
Hunter, Georgia G.; Pike, Eunice V. (2009). "The phonology and tone sandhi of Molinos Mixtec". Linguistics. 7 (47): 24–40. doi:10.1515/ling.1969.7.47.24. S2CID145642473.
Wang, William S-Y. (1967). "Phonological features of tone". International Journal of American Linguistics. 33 (2): 93–105. doi:10.1086/464946. JSTOR1263953. S2CID144701899.
Pike, Eunice V. (1986). "Tone contrasts in Central Carrier (Athapaskan)". International Journal of American Linguistics. 52 (4): 411–418. doi:10.1086/466032. S2CID144303196.
Wang, William S-Y. (1967). "Phonological features of tone". International Journal of American Linguistics. 33 (2): 93–105. doi:10.1086/464946. JSTOR1263953. S2CID144701899.
Hunter, Georgia G.; Pike, Eunice V. (2009). "The phonology and tone sandhi of Molinos Mixtec". Linguistics. 7 (47): 24–40. doi:10.1515/ling.1969.7.47.24. S2CID145642473.