Williams, A., & Pitkeathley, B. (2007). Executive Express: A Swift and Practical Route to Tomorrow's Top Jobs. Indiana Publishing House.
Chicagoスタイル(17版)引用形式Williams, Anthony, , Bill Pitkeathley. Executive Express: A Swift and Practical Route to Tomorrow's Top Jobs. New Delhi: Indiana Publishing House, 2007.
MLA(9版)引用形式Williams, Anthony, , Bill Pitkeathley. Executive Express: A Swift and Practical Route to Tomorrow's Top Jobs. Indiana Publishing House, 2007.
警告: この引用は必ずしも正確ではありません.