Não informado. (1922). Harvard Business Review. Harvard University, Graduate School of Business Administration.
Chicago-referens (17:e uppl.)Não informado. Harvard Business Review. Boston, Mass: Harvard University, Graduate School of Business Administration, 1922.
MLA-referens (8:e uppl.)Não informado. Harvard Business Review. Harvard University, Graduate School of Business Administration, 1922.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.