APA Style
Umar Ibnl Khattab mukmin perkasa / Khalid Muhammad khalid
.
(1989).
Surabaya:
Media Idaman.
MLA Style
Umar Ibnl Khattab mukmin perkasa / Khalid Muhammad khalid
.
cet.. 2.
Surabaya:
Media Idaman,
1989.
Text.