Gaya APA
Windasari, R, D., 2016-12-28, .
().
1062121216
(
Textbook)
.
600:
2016-12-28.
Gaya MLA
Windasari, Ratna, Dwi., 2016-12-28, .
"1062121216".
Textbook
600:
2016-12-28,
.
616.849 82 GRE i.