Heifetz, R. A. (1994). Leadership without easy answers. HUP.
Chicagoスタイル(17版)引用形式Heifetz, Ronald A. Leadership Without Easy Answers. London: HUP, 1994.
MLA(9版)引用形式Heifetz, Ronald A. Leadership Without Easy Answers. HUP, 1994.
警告: この引用は必ずしも正確ではありません.