APA (7th ed.) Citation

Campbell, S., & Shaweewongse, C. (1980). The fundamentals of the Thai language (5. ed.). Paragon Book Gallery [u.a.].

Chicago Style (17th ed.) Citation

Campbell, Stuart, and Chuan Shaweewongse. The Fundamentals of the Thai Language. 5. ed. New York, NY: Paragon Book Gallery [u.a.], 1980.

MLA (9th ed.) Citation

Campbell, Stuart, and Chuan Shaweewongse. The Fundamentals of the Thai Language. 5. ed. Paragon Book Gallery [u.a.], 1980.