Engel, J. F., & Warshaw, M. R. (1994). Promotional strategy: Managing the marketing communications process (8th ed.). IRWIN.
芝加哥风格引文Engel, James F., 与 Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. Chicago: IRWIN, 1994.
MLA引文Engel, James F., 与 Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. IRWIN, 1994.
警告：这些引文格式不一定是100％准确.