Liff, S., & Posey, P. A. (2004). Seeing is believing: How the new art of visual management can boost performance throughout your organization. AMACOM.
Dyfyniad Arddull ChicagoLiff, Stewart, and Pamela Ashley Posey. Seeing Is Believing: How the New Art of Visual Management Can Boost Performance Throughout Your Organization. New York: AMACOM, 2004.
Dyfyniad MLALiff, Stewart, and Pamela Ashley Posey. Seeing Is Believing: How the New Art of Visual Management Can Boost Performance Throughout Your Organization. AMACOM, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.