Não informado. (1952). THE VOCATIONAL GUIDANCE QUARTERLY. National Career Development Association.
Lua i Stíl Chicago (17ú heag.)Não informado. THE VOCATIONAL GUIDANCE QUARTERLY. Alexandria, Va: National Career Development Association, 1952.
Lua MLA (8ú heag.)Não informado. THE VOCATIONAL GUIDANCE QUARTERLY. National Career Development Association, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.