Farnham, D. (1993). Employee relations. Institute of Personnel Management.
Lua i Stíl Chicago (17ú heag.)Farnham, David. Employee Relations. London: Institute of Personnel Management, 1993.
Lua MLA (9ú heag.)Farnham, David. Employee Relations. Institute of Personnel Management, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.