Não informado. (1955). Personnel Management Abstracts. University of Michigan, Graduate School of Business Administration.
Chicago-referens (17:e uppl.)Não informado. Personnel Management Abstracts. Ann Arbor, Mich: University of Michigan, Graduate School of Business Administration, 1955.
MLA-referens (8:e uppl.)Não informado. Personnel Management Abstracts. University of Michigan, Graduate School of Business Administration, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.