Gaya APA

Hiebing, R, G., Cooper, S, W. (1997). The Succesful Marketing Plan (edisi 2) A Disciplined And Comprehensive Approach . U.S.A: NTC Business Books.

Gaya MLA

Hiebing, Roman, G.., Cooper, Scott, W. "The Succesful Marketing Plan (edisi 2) A Disciplined And Comprehensive Approach". U.S.A: NTC Business Books, 1997. Text.