Não informado. (1972). Journal of Economics and Business. Temple University, School of Business Administration.
Chicago-referens (17:e uppl.)Não informado. Journal of Economics and Business. Philadelphia, Pa: Temple University, School of Business Administration, 1972.
MLA-referens (8:e uppl.)Não informado. Journal of Economics and Business. Temple University, School of Business Administration, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.