Phillips, J. J. (2003). Managing Employee Retention. Elsevier.
Lua i Stíl Chicago (17ú heag.)Phillips, Jack J. Managing Employee Retention. Elsevier, 2003.
Lua MLA (9ú heag.)Phillips, Jack J. Managing Employee Retention. Elsevier, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.