Cita APA (7a ed.)

Blattberg, R. C., & Neslin, S. A. (1990). Sales promotion: Concepts, methods, and strategies. Prentice Hall.

Cita Chicago Style (17a ed.)

Blattberg, Robert C., y Scott A. Neslin. Sales Promotion: Concepts, Methods, and Strategies. Englewood Cliffs: Prentice Hall, 1990.

Cita MLA (9a ed.)

Blattberg, Robert C., y Scott A. Neslin. Sales Promotion: Concepts, Methods, and Strategies. Prentice Hall, 1990.