Gaya APA
ILYAS, Y.
(2000).
Kuliah Akhlak
(
Cet.2)
.
Yogyakarta:
LPPI.
Gaya MLA
ILYAS, Yunahar.
"Kuliah Akhlak".
Cet.2
Yogyakarta:
LPPI,
2000.
Text.