Παραπομπή σε μορφή APA (7η εκδ.)

Blessington, M., & O'Connell, B. (1995). Sales reengineering from the outsider in: Engaging customers with a new approach to sales, marketing, and service. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Blessington, Mark, και Bill O'Connell. Sales Reengineering from the Outsider in: Engaging Customers with a New Approach to Sales, Marketing, and Service. New York, San Francisco: McGraw-Hill, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Blessington, Mark, και Bill O'Connell. Sales Reengineering from the Outsider in: Engaging Customers with a New Approach to Sales, Marketing, and Service. McGraw-Hill, 1995.