Gaya APA
Khusna, H, I. et al
().
259120415
(
Textbook)
.
500:
2017-02-01.
Gaya MLA
Khusna, Haris, Imro\'atul. et al.
"259120415".
Textbook
500:
2017-02-01,
.
579 HAS P.