Cita APA (7th ed.)

Thumchai, R. (1976). A critical study of the contents of books in arithmetic in the primary grades in Thailand [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago (17th ed.)

Thumchai, Rawiwan. A Critical Study of the Contents of Books in Arithmetic in the Primary Grades in Thailand [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.

Cita MLA (9th ed.)

Thumchai, Rawiwan. A Critical Study of the Contents of Books in Arithmetic in the Primary Grades in Thailand [microform]. Photoduplication Service. University of the Philippines Library, 1976.