Gaya APA
Libert, B.
(2009).
Barack,INC. Pelajaran Bisnis Ala Kampanye Obama
.
:
Publishing One.
Gaya MLA
Libert, Barry.
"Barack,INC. Pelajaran Bisnis Ala Kampanye Obama".
:
Publishing One,
2009.
Buku Teks.