Gaya APA
Septiana, A, N., 2017-09-19, .
().
1228160917
(
Textbook)
.
600:
2017-09-19.
Gaya MLA
Septiana, Ayu, Nora., 2017-09-19, .
"1228160917".
Textbook
600:
2017-09-19,
.
658 SAT m 1.