APA-ийн эшлэл(7 дахь хэвлэлт)

Engel, J. F., & Warshaw, M. R. (1994). Promotional strategy: Managing the marketing communications process (8th ed.). IRWIN.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Engel, James F., ба Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. Chicago: IRWIN, 1994.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Engel, James F., ба Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. IRWIN, 1994.