Não informado. (1972). Journal of Economics and Business. Temple University, School of Business Administration.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Economics and Business. Philadelphia, Pa: Temple University, School of Business Administration, 1972.
Citação MLA (8ª ed.)Não informado. Journal of Economics and Business. Temple University, School of Business Administration, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.