(1968). Staffing guidance programs / [by] George E. Hill.
Lua i Stíl Chicago (17ú heag.)Staffing Guidance Programs / [by] George E. Hill. 1968.
Lua MLA (9ú heag.)Staffing Guidance Programs / [by] George E. Hill. 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.