Heenan, D. K., & Chaval Paeratakul. (1966). Evaluation of instruction in Thailand. s.n.
Cita Chicago (17th ed.)Heenan, David K., i Chaval Paeratakul. Evaluation of Instruction in Thailand. [S.l: s.n, 1966.
Cita MLA (9th ed.)Heenan, David K., i Chaval Paeratakul. Evaluation of Instruction in Thailand. s.n, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.