ʻĒkkasān prīapthīap khwām pen Thai kap khwām pen Krīk : khwām samkhan kh̨ōng n̄æokhit thāng mānutsayawitthayā nai chīwit pračhamwan - Herzfeld, Michael, 1947- (Sūn Mānutsayawitthayā Sirinth̨ōn, 2003)