APA (7th ed.) Citation

Haas, M. R. (1980). The Thai system of writing. Spoken Language Services.

Chicago Style (17th ed.) Citation

Haas, Mary Rosamond. The Thai System of Writing. Ithaca, NY: Spoken Language Services, 1980.

MLA (9th ed.) Citation

Haas, Mary Rosamond. The Thai System of Writing. Spoken Language Services, 1980.