Não informado. (1955). Personnel Management Abstracts. University of Michigan, Graduate School of Business Administration.
Chicago-viite (17. p.)Não informado. Personnel Management Abstracts. Ann Arbor, Mich: University of Michigan, Graduate School of Business Administration, 1955.
MLA-viite (8. p.)Não informado. Personnel Management Abstracts. University of Michigan, Graduate School of Business Administration, 1955.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.