Gaya APA
Ulum, S, M, M, T, B. (2003).
As Sair wa as Suluk : Perjalanan menuju alam rohani .
Jakarta:
Lentera.
Gaya MLA
Ulum, Sayid, Muhammad, Mahdi, Thaathaba'i, Bahrul.
"As Sair wa as Suluk : Perjalanan menuju alam rohani".
Jakarta:
Lentera,
2003.
Buku.