Gaya APA

Belch, G, E., Belch, M, A. (2001). Advertising and promotion : an integrated marketing communications perspective (5th ed). Boston: McGraw-Hill/Irwin.

Gaya MLA

Belch, George, E.., Belch, Michael, A.. "Advertising and promotion : an integrated marketing communications perspective". 5th ed Boston: McGraw-Hill/Irwin, 2001. Text.