Cita APA (7a ed.)
Ditzenberger, R., & Kidney, J. (1981). Selling: Helping customers buy. South-Western Pub. Co..
Cita Chicago Style (17a ed.)
Ditzenberger, Roger, y John Kidney. Selling: Helping Customers Buy. Cincinnati: South-Western Pub. Co., 1981.
Cita MLA (9a ed.)
Ditzenberger, Roger, y John Kidney. Selling: Helping Customers Buy. South-Western Pub. Co., 1981.
Precaución: Estas citas no son 100% exactas.