George Belch. (2019). Advertising and Promotion (9th ed.). McGraw Hill.
Cita Chicago (17th ed.)George Belch. Advertising and Promotion. 9th ed. Delhi: McGraw Hill, 2019.
Cita MLA (9th ed.)George Belch. Advertising and Promotion. 9th ed. McGraw Hill, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.