Kaufman, R. A., MacGillis, P., & Thiagarajan, S. (1997). The Guidebook for performance improvememt: Working with individuals and organizations. Pfeiffer.
Lua i Stíl Chicago (17ú heag.)Kaufman, Roger A., Paula MacGillis, agus Sivasailam Thiagarajan. The Guidebook for Performance Improvememt: Working with Individuals and Organizations. San Francisco: Pfeiffer, 1997.
Lua MLA (9ú heag.)Kaufman, Roger A., et al. The Guidebook for Performance Improvememt: Working with Individuals and Organizations. Pfeiffer, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.