Gaya APA
Godin, Seth. (2002).
Purple Cow .
:
Bhuana Ilmu Populer.
Gaya Chicago
Godin, Seth.
Purple Cow.
:
Bhuana Ilmu Populer,
2002.
Book.
Gaya MLA
Godin, Seth.
Purple Cow.
:
Bhuana Ilmu Populer,
2002.
Book.
Gaya Turabian
Godin, Seth.
Purple Cow.
:
Bhuana Ilmu Populer,
2002.
Book.