Gaya APA
Lukas, S., 2017-03-24, .
().
631140615
(
PROPOSAL)
.
PROPOSAL:
2017-03-24.
Gaya MLA
Lukas, Stefanus., 2017-03-24, .
"631140615".
PROPOSAL
PROPOSAL:
2017-03-24,
.
PRO 1455 WUL a.