Ernst, Carl W. (1999). Fred De Jong, Berndt Redtke (ed.). "Persecution and Circumspection in the Shattari Sufi Order". Islamic Mysticism Contested: Thirteen Centuries of Debate and Conflict, in 'Islamic History and Civilization'. Leiden: E.J. Brill.
anu.edu.au
press-files.anu.edu.au
Christomy, Tommy (2008). "Linking to the Wider World of Sufism"(PDF). Signs of the Wali: Narratives at the Sacred Sites in Pamijahan, West Java. ANU Press.
