Gaya APA

Kertajaya, H. et al (2010). marketing 3.0 : From Products to Customers to the Human Spirit . Canada: John Wiley & Sons, Inc..

Gaya MLA

Kertajaya, Hermawan. et al. "marketing 3.0 : From Products to Customers to the Human Spirit". Canada: John Wiley & Sons, Inc., 2010. Computer File.