Gaya APA

Bartono, P, H, S, &, N, S, &, J, E. (2005). How to Win Customers in Competitive Market . Jakarta: PT Elex media kompuindo.

Gaya MLA

Bartono, P., H.,, SE,, &, Novianto,, SH,, &, Jubilee, Enterprise. "How to Win Customers in Competitive Market". Jakarta: PT Elex media kompuindo, 2005. Text.