Still, R. R. C. (1988). Sales Management (2nd ed.). Pearson Education.
Cita Chicago Style (17a ed.)Still, Richard R; Cundiff. Sales Management. 2nd ed. New Delhi: Pearson Education, 1988.
Cita MLA (9a ed.)Still, Richard R; Cundiff. Sales Management. 2nd ed. Pearson Education, 1988.
Precaución: Estas citas no son 100% exactas.