Cita APA (7th ed.)

Johnston, M. W. (2011). Churchill/Ford/Walker's sales force management (10thed.). McGraw Hill.

Cita Chicago (17th ed.)

Johnston, Mark W. Churchill/Ford/Walker's Sales Force Management. 10thed. New york: McGraw Hill, 2011.

Cita MLA (9th ed.)

Johnston, Mark W. Churchill/Ford/Walker's Sales Force Management. 10thed. McGraw Hill, 2011.