Gaya APA
Sumarsono, T., 2017-10-05, .
().
1270991017
(
Reference)
.
600:
2017-10-05.
Gaya MLA
Sumarsono, Tonny., 2017-10-05, .
"1270991017".
Reference
600:
2017-10-05,
.
615.134 1 BRI b-38 12.