Gaya APA
BANGS, D, H. (1995).
Pedoman Perencanaan Usaha (The Business Planning Guide) (6).
Jakarta:
Gelora Aksara Pratama.
Gaya MLA
BANGS, DAVID, H..
"Pedoman Perencanaan Usaha (The Business Planning Guide)".
6
Jakarta:
Gelora Aksara Pratama,
1995.
Text.