Gaya APA
Safitri, A, R., 2017-03-09, .
().
1102130317
(
Textbook)
.
600:
2017-03-09.
Gaya MLA
Safitri, Amalia, Rifana., 2017-03-09, .
"1102130317".
Textbook
600:
2017-03-09,
.
615.14 BON p.