Não informado. (1919). Personnel: The management of people at work. American Management Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Personnel: The Management of People at Work. New York: American Management Association, 1919.
MLA-Zitierstil (8. Ausg.)Não informado. Personnel: The Management of People at Work. American Management Association, 1919.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.