Guerin, Bill (17 August 2002). "Indonesia's First Man". Asia Times Online. Diarkibkan daripada yang asal pada 2002-08-19. Dicapai pada 23 June 2009.
wikipedia.org
en.wikipedia.org
Eklöf, Stefan (2003), Power and Political Culture in Suharto’s Indonesia: The Indonesian Democratic Party (PDI) and Decline of the New Order (1986–98), Denmark: NIAS Press, m/s. 93-96, ISBN87-91114-50-0Cite has empty unknown parameter: |1= (bantuan)
Ricklefs, M.C. (2008) [1981]. A History of Modern Indonesia Since c.1300 (ed. 4th). London: MacMillan. m/s. 519. ISBN978-0-230-54685-1. Cite has empty unknown parameter: |1= (bantuan)
Eklöf, Stefan (2003), Power and Political Culture in Suharto’s Indonesia: The Indonesian Democratic Party (PDI) and Decline of the New Order (1986–98), Denmark: NIAS Press, m/s. 280-281, ISBN87-91114-50-0Cite has empty unknown parameter: |1= (bantuan)