Não informado. (1952). Personnel management. Institute of Personnel Management.
Lua i Stíl Chicago (17ú heag.)Não informado. Personnel Management. London: Institute of Personnel Management, 1952.
Lua MLA (8ú heag.)Não informado. Personnel Management. Institute of Personnel Management, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.