Yamada, Y., & Zayas, C. N. (1997). A bibliography of the Bashiic languages and cultures. CSSP Publications, UP Diliman Office for Research and Development, Initiative for the Study of Ethnolinguistic Groups in the Philippines.

Yamada, Yukihiro, and Cynthia Neri Zayas. A Bibliography of the Bashiic Languages and Cultures. [Quezon City]: CSSP Publications, UP Diliman Office for Research and Development, Initiative for the Study of Ethnolinguistic Groups in the Philippines, 1997.

Yamada, Yukihiro, and Cynthia Neri Zayas. A Bibliography of the Bashiic Languages and Cultures. CSSP Publications, UP Diliman Office for Research and Development, Initiative for the Study of Ethnolinguistic Groups in the Philippines, 1997.