GARING, J., & SESE, R. A. (1997). Superb Selling Secrets: : The Filipino Art of Breakthrough Selling. Salesman's Centre.
Cita Chicago Style (17a ed.)GARING, Jun, y Roupert A. SESE. Superb Selling Secrets: : The Filipino Art of Breakthrough Selling. Makati Ciity: Salesman's Centre, 1997.
Cita MLA (9a ed.)GARING, Jun, y Roupert A. SESE. Superb Selling Secrets: : The Filipino Art of Breakthrough Selling. Salesman's Centre, 1997.
Precaución: Estas citas no son 100% exactas.