↑ Herbert, Patricia; Anthony Crothers Milner (1989). South-East Asia: languages and literatures: a select guide. University of Hawaii Press. tr. 51–52. ISBN0-8248-1267-0. Chú thích sử dụng tham số |coauthors= bị phản đối (trợ giúp)
↑ Huffman, Franklin. 1970. Cambodian System of Writing and Beginning Reader. Yale University Press. ISBN 0-300-01314-0
↑ Punnee Soonthornpoct: From Freedom to Hell: A History of Foreign Interventions in Cambodian Politics And Wars. page 29, Vantage Press, Inc
↑ Russell R. Ross: Cambodia: A Country Study, page 112, Library of Congress. Federal Research Division, 1990
