Gaya APA
ISA, S, ', Q.
(2005).
Hakekat Tasawuf
(
Cet. 13)
.
Jakarta:
Qisthi Press.
Gaya MLA
ISA, Syaikh, 'Abdul, Qadir.
"Hakekat Tasawuf".
Cet. 13
Jakarta:
Qisthi Press,
2005.
Text.