Liff, S., & Posey, P. A. (2004). Seeing is believing: How the new art of visual management can boost performance throughout your organization. AMACOM.
Lua i Stíl Chicago (17ú heag.)Liff, Stewart, agus Pamela Ashley Posey. Seeing Is Believing: How the New Art of Visual Management Can Boost Performance Throughout Your Organization. New York: AMACOM, 2004.
Lua MLA (9ú heag.)Liff, Stewart, agus Pamela Ashley Posey. Seeing Is Believing: How the New Art of Visual Management Can Boost Performance Throughout Your Organization. AMACOM, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.