Welch, J., & Welch, S. (2005). Winning (First International Edition.). HarperBusiness.
Chicagoスタイル(17版)引用形式Welch, Jack, , Suzy Welch. Winning. First International Edition. New York: HarperBusiness, 2005.
MLA(9版)引用形式Welch, Jack, , Suzy Welch. Winning. First International Edition. HarperBusiness, 2005.
警告: この引用は必ずしも正確ではありません.