Gaya APA
BOLSTORFF, P.
(2012).
Supply cahin excellene, ed. 3th.
(
3)
.
New York:
AMA.
Gaya MLA
BOLSTORFF, Peter.
"Supply cahin excellene, ed. 3th.".
3
New York:
AMA,
2012.
FAKULTAS TEKNIK.