Cita APA (7th ed.)

233748 Bentley, T. J., & Miller, H. F. (1996). Sharpen your team's skills in effective selling. London : McGraw-Hill.

Cita Chicago (17th ed.)

233748 Bentley, Trevor J., i Herbert F. Miller. Sharpen Your Team's Skills in Effective Selling. London : McGraw-Hill, 1996.

Cita MLA (9th ed.)

233748 Bentley, Trevor J., i Herbert F. Miller. Sharpen Your Team's Skills in Effective Selling. London : McGraw-Hill, 1996.