Engel, J. F., & Warshaw, M. R. (1994). Promotional strategy: Managing the marketing communications process (8th ed.). IRWIN.
Cita Chicago Style (17a ed.)Engel, James F., y Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. Chicago: IRWIN, 1994.
Cita MLA (9a ed.)Engel, James F., y Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. IRWIN, 1994.
Precaución: Estas citas no son 100% exactas.