Perbandingan spiritual well-being antara pengawal dan non pengawal tasawuf di kota besar (Studi kuantitatif pada para anggota Yayasan Islam Paramartha-Paguyuban Thariqah Kadisiyah wilayah Bandung, Jawa Barat)
Fakultas Psikologi Universitas Indonesia, 2001
 UI - Skripsi Membership
The World's religions
edited by Stewart Sutherland, Leslie Houlden, Peter Clarke, Friedhelm Hardy
Routledge, 1988
 Buku Referensi
Burke, T. Patrick
The major religions : an introduction with texts
Blackwell, 2005
 Buku Teks SO
Smith, Wilfred Cantwell
Memburu makna agama
Mizan , 2004
 Buku Teks SO
Toynbee, Arnold J.
An historian's approach to religion
Oxford University Press, 1956
 Buku Teks