APA-viite (7. p.)
Ditzenberger, R., & Kidney, J. (1981). Selling: Helping customers buy. South-Western Pub. Co..
Chicago-viite (17. p.)
Ditzenberger, Roger, ja John Kidney. Selling: Helping Customers Buy. Cincinnati: South-Western Pub. Co., 1981.
MLA-viite (9. p.)
Ditzenberger, Roger, ja John Kidney. Selling: Helping Customers Buy. South-Western Pub. Co., 1981.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.