Gaya APA
Sari, A, E, P., 2017-09-19, .
().
1231110917
(
Textbook)
.
600:
2017-09-19.
Gaya MLA
Sari, Anggraeni, Eka, Permata., 2017-09-19, .
"1231110917".
Textbook
600:
2017-09-19,
.
661.806 GUE m.