Gaya APA
Roni, Jusuf. (1991).
Kumpulan Khotbah .
Yogyakarta:
Andi Offset.
Gaya Chicago
Roni, Jusuf.
Kumpulan Khotbah.
Yogyakarta:
Andi Offset,
1991.
Text.
Gaya MLA
Roni, Jusuf.
Kumpulan Khotbah.
Yogyakarta:
Andi Offset,
1991.
Text.
Gaya Turabian
Roni, Jusuf.
Kumpulan Khotbah.
Yogyakarta:
Andi Offset,
1991.
Print.