Não informado. (1938). Personnel Administration. Society for Personnel Administration.
Lua i Stíl Chicago (17ú heag.)Não informado. Personnel Administration. Washington: Society for Personnel Administration, 1938.
Lua MLA (8ú heag.)Não informado. Personnel Administration. Society for Personnel Administration, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.