Gaya APA
Saputra, L., Sindoro, A. (2005).
Asal-usul merek = the origin of brands .
Batam Centre:
Karisma Publishing Group.
Gaya MLA
Saputra, Lyndon., Sindoro, Alexander.
"Asal-usul merek = the origin of brands".
Batam Centre:
Karisma Publishing Group,
2005.
Text.