Clifford, J., & Thorpe, S. (2007). Workplace learning & development: Delivering competitive advantage for your organization. Kogan Page Limited.
Lua i Stíl Chicago (17ú heag.)Clifford, Jackie, agus Sara Thorpe. Workplace Learning & Development: Delivering Competitive Advantage for Your Organization. London ; Philadelphia: Kogan Page Limited, 2007.
Lua MLA (8ú heag.)Clifford, Jackie, agus Sara Thorpe. Workplace Learning & Development: Delivering Competitive Advantage for Your Organization. Kogan Page Limited, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.