Ulrich, D. (2009). HR Transformation. TMH.
Lua i Stíl Chicago (17ú heag.)Ulrich, Dave. HR Transformation. New Delhi: TMH, 2009.
Lua MLA (9ú heag.)Ulrich, Dave. HR Transformation. TMH, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.