Cita APA (7th ed.)

Still, R. R. C. (1988). Sales Management (2nd ed.). Pearson Education.

Cita Chicago (17th ed.)

Still, Richard R; Cundiff. Sales Management. 2nd ed. New Delhi: Pearson Education, 1988.

Cita MLA (9th ed.)

Still, Richard R; Cundiff. Sales Management. 2nd ed. Pearson Education, 1988.