Guy, F. (2009). The global environment of business. Oxford.
Chicagoスタイル(17版)引用形式Guy, Frederick. The Global Environment of Business. New York: Oxford, 2009.
MLA(9版)引用形式Guy, Frederick. The Global Environment of Business. Oxford, 2009.
警告: この引用は必ずしも正確ではありません.