DJVU PDF Karnchana Nacaskul. 1978, "The syllabic and morphological structure of Cambodian words", in The Mon-Khmer Studies Journal, vol. 7, pp. 183-200. cite.

DJVU PDF Sacher, R. 1978, "Die inhärenten Widersprüche im System des Khmer", in The Mon-Khmer Studies Journal, vol. 7, pp. 227-232. cite.