Spotts, Hazel. 1953. Vowel Harmony and Consonant Sequences in Mazahua (Otomi). International Journal of American Linguistics 19. 253–258.
@article{spotts1953,
author = {Spotts, Hazel},
journal = {International Journal of American Linguistics},
pages = {253–258},
title = {Vowel Harmony and Consonant Sequences in Mazahua (Otomi)},
volume = {19},
year = {1953}
}