Gaya APA
Williams, David K.. (2014).
The 7 Non Negotiables of Winning .
Amerika:
Willey.
Gaya Chicago
Williams, David K..
The 7 Non Negotiables of Winning.
Amerika:
Willey,
2014.
Text.
Gaya MLA
Williams, David K..
The 7 Non Negotiables of Winning.
Amerika:
Willey,
2014.
Text.
Gaya Turabian
Williams, David K..
The 7 Non Negotiables of Winning.
Amerika:
Willey,
2014.
Print.