Nickels, W. G. (1987). Understanding Business / William G. Nickels. St. Louis.
Chicagoスタイル(17版)引用形式Nickels, William G. Understanding Business / William G. Nickels. St. Louis, 1987.
MLA(8版)引用形式Nickels, William G. Understanding Business / William G. Nickels. St. Louis, 1987.
警告: この引用は必ずしも正確ではありません.