Welch, J., & Welch, S. (2015). Winning. Harper Collins Publishers.
Chicagoスタイル(17版)引用形式Welch, Jack, , Suzy Welch. Winning. London: Harper Collins Publishers, 2015.
MLA(9版)引用形式Welch, Jack, , Suzy Welch. Winning. Harper Collins Publishers, 2015.
警告: この引用は必ずしも正確ではありません.