Gaya APA
20 Tuntutan Khusyu' Shalat. (1998).
Bandung:
Irsyad Baitus salam (IBS).
Gaya Chicago
20 Tuntutan Khusyu' Shalat.
Cet. 1.
Bandung:
Irsyad Baitus salam (IBS),
1998.
Text.
Gaya MLA
20 Tuntutan Khusyu' Shalat.
Cet. 1.
Bandung:
Irsyad Baitus salam (IBS),
1998.
Text.
Gaya Turabian
20 Tuntutan Khusyu' Shalat.
Bandung:
Irsyad Baitus salam (IBS),
1998.
Print.