Gaya APA
K, A, E, C., 2017-01-03, .
().
178950415
(
Textbook)
.
000:
2017-01-03.
Gaya MLA
K, Amalia, Eka, Candra., 2017-01-03, .
"178950415".
Textbook
000:
2017-01-03,
.
001.422 072 1 CHA p.