Heifetz, R. A. (1994). Leadership without easy answers. Belknap Press of Harvard University Press.
Chicagoスタイル(17版)引用形式Heifetz, Ronald A. Leadership Without Easy Answers. Cambridge, Mass.: Belknap Press of Harvard University Press, 1994.
MLA(8版)引用形式Heifetz, Ronald A. Leadership Without Easy Answers. Belknap Press of Harvard University Press, 1994.
警告: この引用は必ずしも正確ではありません.