Berman, E. M. (2006). Performance and productivity in public and nonprofit organizations (2nd ed.). M.E. Sharpe, Inc.
Lua i Stíl Chicago (17ú heag.)Berman, Evan M. Performance and Productivity in Public and Nonprofit Organizations. 2nd ed. Armonk, N.Y: M.E. Sharpe, Inc, 2006.
Lua MLA (9ú heag.)Berman, Evan M. Performance and Productivity in Public and Nonprofit Organizations. 2nd ed. M.E. Sharpe, Inc, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.