Gaya APA
Godin, Seth. (2009).
Purple Cow: Transform Your Business by Being Remarkable .
USA:
Portofolio.
Gaya Chicago
Godin, Seth.
Purple Cow: Transform Your Business by Being Remarkable.
USA:
Portofolio,
2009.
Text.
Gaya MLA
Godin, Seth.
Purple Cow: Transform Your Business by Being Remarkable.
USA:
Portofolio,
2009.
Text.
Gaya Turabian
Godin, Seth.
Purple Cow: Transform Your Business by Being Remarkable.
USA:
Portofolio,
2009.
Print.