1 2 L. F. Brakel (Author), M. Balfas (Author), M. Taib Bin Osman (Author), J. Gonda (Author), B. Rangkuti (Author), B. Lumbera (Author), H. Kahler (Author) (1997). Literaturen (Asian Studies). Brill Academic Publishers. m/s. 143 & 144. ISBN978-9004043312. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)
↑ Keat Gin Ooi (2004). Southeast Asia: a historical encyclopedia, from Angkor Wat to East Timor. Santa Barbara: ABC-CLIO. m/s. 116. ISBN1-57607-770-5.
↑ Barbara Watson Andaya, Leonard Y. Andaya (1984). A History of Malaysia. Lonndon: Palgrave Macmillan. m/s. 313. ISBN0-333-27672-8, 0-333-27672-8 Check |isbn= value: invalid character (bantuan).
