Gaya APA
Abqary, I.
(2017).
Umar Sang Penolong
(
cet. 3)
.
Bandung:
DAR! Mizan.
Gaya MLA
Abqary, Iwok.
"Umar Sang Penolong".
cet. 3
Bandung:
DAR! Mizan,
2017.
Buku Teks.