Jelaskan Sumber dari Raja Lumu

John Michael Gullick, A History of Selangor: 1742-1957 (Singapore, Eastern University Press, 1970)

R.O. Winstedt, "A History of Selangor (1680-1874)", Journal of the Malayan British Royal Asiatic Society (JMBRAS)12(3), October 1934, pp. 1–34