Παραπομπή σε μορφή APA (7η εκδ.)

Hatch, D., & Jackson, D. R. (1998). 2,239 tested secrets for direct marketing success: The pross tell you their time-proven secrets. NTC Business Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hatch, Denny, και Donald R. Jackson. 2,239 Tested Secrets for Direct Marketing Success: The Pross Tell You Their Time-proven Secrets. Lincolnwood (Chicago): NTC Business Books, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hatch, Denny, και Donald R. Jackson. 2,239 Tested Secrets for Direct Marketing Success: The Pross Tell You Their Time-proven Secrets. NTC Business Books, 1998.