ʻAnumānrātchathon Phrayā. (1971). The nature and development of the Thai language (4. ed.). Fine Arts Department.
Chicago Style (17th ed.) CitationʻAnumānrātchathon Phrayā. The Nature and Development of the Thai Language. 4. ed. Bangkok: Fine Arts Department, 1971.
MLA (9th ed.) CitationʻAnumānrātchathon Phrayā. The Nature and Development of the Thai Language. 4. ed. Fine Arts Department, 1971.
Warning: These citations may not always be 100% accurate.