Gaya APA
Khiaratullah, A.
(2011).
Malaikat-malaikat Penolong
.
Yogjakarta:
Diva Press.
Gaya MLA
Khiaratullah, Abdulkarim.
"Malaikat-malaikat Penolong".
Yogjakarta:
Diva Press,
2011.
Art Original.