Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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