Gaya APA
Haryanto, S. et al (2006).
The complete ideal`s guides : direct marketing (Ed.1, Cet.1).
Jakarta:
Prenada Media Group.
Gaya MLA
Haryanto, Sugeng. et al.
"The complete ideal`s guides : direct marketing".
Ed.1, Cet.1
Jakarta:
Prenada Media Group,
2006.
Text.