Federman, B. (2009). Employee engagement: A roadmap for creating profits, optimizing performance, and increasing loyalty. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Federman, Brad. Employee Engagement: A Roadmap for Creating Profits, Optimizing Performance, and Increasing Loyalty. San Francisco, Calif: Jossey-Bass, 2009.
Lua MLA (8ú heag.)Federman, Brad. Employee Engagement: A Roadmap for Creating Profits, Optimizing Performance, and Increasing Loyalty. Jossey-Bass, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.