Newstrom, J. W., & Pierce, J. L. (2008). Leaders & the leadership process: Readings, self-assessments & applications (5th ed.). McGraw-Hill Irwin.
Lua i Stíl Chicago (17ú heag.)Newstrom, John W., agus Jon L. Pierce. Leaders & the Leadership Process: Readings, Self-assessments & Applications. 5th ed. Boston: McGraw-Hill Irwin, 2008.
Lua MLA (9ú heag.)Newstrom, John W., agus Jon L. Pierce. Leaders & the Leadership Process: Readings, Self-assessments & Applications. 5th ed. McGraw-Hill Irwin, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.