Liff, S., & Posey, P. A. (2004). Seeing is believing: How the new art of visual management can boost performance throughout your organization. New York: Amacom.
Чикагска система за цитиранеLiff, Stewart., и Pamela Ashley Posey. Seeing Is Believing: How the New Art of Visual Management Can Boost Performance Throughout Your Organization. New York: Amacom, 2004.
MLA формат за цитиранеLiff, Stewart., и Pamela Ashley Posey. Seeing Is Believing: How the New Art of Visual Management Can Boost Performance Throughout Your Organization. New York: Amacom, 2004.
Внимание: Тези цитати може да не са 100% точни.