Tham khảo Pracheachon

  1. ↑ Kiernan, Ben. How Pol Pot Came to Power. London: Verso, 1985. pp. 156-157
  2. ↑ Kiernan, p.162
  3. 1 2 Dommen, A. The Indochinese experience of the French and the Americans, p.360
  4. 1 2 Corfield, J. Khmers stand up!: a history of the Cambodian government 1970-1975, 1994, p.166