Gaya APA
2017-09-12, ., 2016-10-18, .
().
154040115
(
Textbook)
.
600:
2016-10-18.
Gaya MLA
2017-09-12, ., 2016-10-18, .
"154040115".
Textbook
600:
2016-10-18,
.
658 SET m-1 2.