Gaya APA
Ardila, A., 2017-01-12, .
().
255070415
(
Textbook)
.
500:
2017-01-12.
Gaya MLA
Ardila, Adetiya., 2017-01-12, .
"255070415".
Textbook
500:
2017-01-12,
.
547.1 SIR p.