Gaya APA
Setiowulan, W., 2017-09-12, .
().
1207130917
(
Textbook)
.
500:
2017-09-12.
Gaya MLA
Setiowulan, Wiwiek., 2017-09-12, .
"1207130917".
Textbook
500:
2017-09-12,
.
582.12 Dew g.