Cita APA (7th ed.)

Backman, J. (1967). Advertising and competition. New York University.

Cita Chicago (17th ed.)

Backman, Jules. Advertising and Competition. New York: New York University, 1967.

Cita MLA (9th ed.)

Backman, Jules. Advertising and Competition. New York University, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.