Gaya APA
Welch, Jack, Welch, Suzy. (2005).
Winning .
USA:
Harper Business.
Gaya Chicago
Welch, Jack, Welch, Suzy.
Winning.
USA:
Harper Business,
2005.
Text.
Gaya MLA
Welch, Jack, Welch, Suzy.
Winning.
USA:
Harper Business,
2005.
Text.
Gaya Turabian
Welch, Jack, Welch, Suzy.
Winning.
USA:
Harper Business,
2005.
Print.