Gaya APA
Sastrohamidjojo, H., 2017-09-14, .
().
1221010917
(
Textbook)
.
600:
2017-09-14.
Gaya MLA
Sastrohamidjojo, Hardjono., 2017-09-14, .
"1221010917".
Textbook
600:
2017-09-14,
.
658 SET m.