Fletcher, A. D., & Bowers, T. A. (1991). Fundamentals of advertising research (4th ed.). Wadsworth Pub. Co.
Cita Chicago (17th ed.)Fletcher, Alan D., i Thomas A. Bowers. Fundamentals of Advertising Research. 4th ed. Belmont, Calif: Wadsworth Pub. Co, 1991.
Cita MLA (9th ed.)Fletcher, Alan D., i Thomas A. Bowers. Fundamentals of Advertising Research. 4th ed. Wadsworth Pub. Co, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.