Gaya APA
Bahri, A, K. et al
().
1239100917
(
Textbook)
.
000:
2017-09-19.
Gaya MLA
Bahri, Ahmad, Khoirul. et al.
"1239100917".
Textbook
000:
2017-09-19,
.
001.422 Jon s 2.