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)
Smith, Huston
Agama-agama manusia
Yayasan Obor Indonesia, 2008
 Buku Teks
James, William
The varieties of religious experience
Mentor Books, 1958
 Buku Teks
Eliade, Mircea
Patterns in comparative religion / Mircea Eliade.
Sheed and Ward, 1958
 Buku Teks
George, Vensus A.
Paths to the divine : ancient and Indian
Council for Research in Values and Philosophy, 2008
 Buku Teks