Gaya APA

Belch, G, E., Belch, M, A. (2004). Advertising and promotion : an integrated marketing communications perspective . Boston, Massachusetts: McGraw Hill Irwin.

Gaya MLA

Belch, George, E.., Belch, Michael, A.. "Advertising and promotion : an integrated marketing communications perspective". Boston, Massachusetts: McGraw Hill Irwin, 2004. Text.