Não informado. (1952). Personnel and Guidance Journal. American Personnel and Guidance Association.
Chicago-referens (17:e uppl.)Não informado. Personnel and Guidance Journal. Alexandria, Va: American Personnel and Guidance Association, 1952.
MLA-referens (8:e uppl.)Não informado. Personnel and Guidance Journal. American Personnel and Guidance Association, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.