Yasugi, Y. (1995). Native middle American languages: An areal-typological perspective. National Museum of Ethnology.
Cita Chicago (17th ed.)Yasugi, Yoshiho. Native Middle American Languages: An Areal-typological Perspective. Osaka, Japan: National Museum of Ethnology, 1995.
Cita MLA (9th ed.)Yasugi, Yoshiho. Native Middle American Languages: An Areal-typological Perspective. National Museum of Ethnology, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.