Gaya APA
Cohen, Steven P. (2007).
Negotiate Your Way to Success .
Amerika:
McGraw-Hill.
Gaya Chicago
Cohen, Steven P.
Negotiate Your Way to Success.
Amerika:
McGraw-Hill,
2007.
Text.
Gaya MLA
Cohen, Steven P.
Negotiate Your Way to Success.
Amerika:
McGraw-Hill,
2007.
Text.
Gaya Turabian
Cohen, Steven P.
Negotiate Your Way to Success.
Amerika:
McGraw-Hill,
2007.
Print.