APA Style
Hutagaol, John, Sirait, Thomson. (2005).
FlashPPhOP 2006 .
Jakarta:
NATIO CONSULTING.
Chicago Style
Hutagaol, John, Sirait, Thomson.
FlashPPhOP 2006.
Jakarta:
NATIO CONSULTING,
2005.
.
MLA Style
Hutagaol, John, Sirait, Thomson.
FlashPPhOP 2006.
Jakarta:
NATIO CONSULTING,
2005.
.
Turabian Style
Hutagaol, John, Sirait, Thomson.
FlashPPhOP 2006.
Jakarta:
NATIO CONSULTING,
2005.
.