Gaya APA
GRIFFIN, Ricky W.. (2006).
Business .
Singapore:
Prentice Hall.
Gaya Chicago
GRIFFIN, Ricky W..
Business.
Singapore:
Prentice Hall,
2006.
Text.
Gaya MLA
GRIFFIN, Ricky W..
Business.
Singapore:
Prentice Hall,
2006.
Text.
Gaya Turabian
GRIFFIN, Ricky W..
Business.
Singapore:
Prentice Hall,
2006.
Print.