Não informado. Studies in economics and business. University of Minnesota.
Chicagoスタイル(17版)引用形式Não informado. Studies in Economics and Business. Minneapolis, Minn: University of Minnesota.
MLA(8版)引用形式Não informado. Studies in Economics and Business. University of Minnesota.
警告: この引用は必ずしも正確ではありません.