WALKER, J. W. (1992). Human Resource Strategy. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)WALKER, James W. Human Resource Strategy. McGraw-Hill, 1992.
Lua MLA (8ú heag.)WALKER, James W. Human Resource Strategy. McGraw-Hill, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.