Nickels, W. G. (1987). Understanding business. Irwin/McGraw-Hill.
Chicagoスタイル(17版)引用形式Nickels, William G. Understanding Business. Boston: Irwin/McGraw-Hill, 1987.
MLA(9版)引用形式Nickels, William G. Understanding Business. Irwin/McGraw-Hill, 1987.
警告: この引用は必ずしも正確ではありません.