APA Style
Batin Eka Perkasa. (2003).
Jakarta:
PPM School Of Management.
Chicago Style
Batin Eka Perkasa.
.
Jakarta:
PPM School Of Management,
2003.
.
MLA Style
Batin Eka Perkasa.
.
Jakarta:
PPM School Of Management,
2003.
.
Turabian Style
Batin Eka Perkasa.
Jakarta:
PPM School Of Management,
2003.
.