Cita APA (7th ed.)

Campbell, G. M. (2009). Communications skills for project managers. AMACOM.

Cita Chicago (17th ed.)

Campbell, G. Michael. Communications Skills for Project Managers. New York: AMACOM, 2009.

Cita MLA (9th ed.)

Campbell, G. Michael. Communications Skills for Project Managers. AMACOM, 2009.