Robin Bush, Nahdlatul Ulama and the Struggle for Power Within Islam and Politics in Indonesia, Institute of Southeast Asian Studies, 2009, ISBN9812308768, page 111 (页面存档备份,存于互联网档案馆)
Robert Cribb. Unresolved Problems in the Indonesian Killings of 1965-1966. Asian Survey. 2002, 42 (4): 550–563. doi:10.1525/as.2002.42.4.550.; Friend (2003), page 107-109, 113.
Robin Bush, Nahdlatul Ulama and the Struggle for Power Within Islam and Politics in Indonesia, Institute of Southeast Asian Studies, 2009, ISBN9812308768, page 111 (页面存档备份,存于互联网档案馆)