Artikel Jurnal
Research Institute for Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies, 2007
Buku Teks
Fusayama, Takao
Universiti Kebangsaan Malaysia , 1997
Buku Teks
selected and edited by J.T. Laird
Australian War Memorial and Australian Government Publishing Service, 1971
Buku Teks
king, O.H.P.
Idaho The Caxton Printers, 1961
Buku Teks