Gaya APA
Darwies Ibrahim,SE. (2004).
Smart Selling .
jakarta:
Elex Media Komputindo.
Gaya Chicago
Darwies Ibrahim,SE.
Smart Selling.
jakarta:
Elex Media Komputindo,
2004.
Text.
Gaya MLA
Darwies Ibrahim,SE.
Smart Selling.
jakarta:
Elex Media Komputindo,
2004.
Text.
Gaya Turabian
Darwies Ibrahim,SE.
Smart Selling.
jakarta:
Elex Media Komputindo,
2004.
Print.