Gaya APA
RIES, Al. (1996).
Focus : the future of your company depends on it .
New York:
HarperBusiness.
Gaya Chicago
RIES, Al.
Focus : the future of your company depends on it.
New York:
HarperBusiness,
1996.
Text.
Gaya MLA
RIES, Al.
Focus : the future of your company depends on it.
New York:
HarperBusiness,
1996.
Text.
Gaya Turabian
RIES, Al.
Focus : the future of your company depends on it.
New York:
HarperBusiness,
1996.
Print.