Kotter, J. P. C. (2002). Heart of Change. Harvard Bus. School.
Chicagoスタイル(17版)引用形式Kotter, John P; Cohen. Heart of Change. Boston: Harvard Bus. School, 2002.
MLA(9版)引用形式Kotter, John P; Cohen. Heart of Change. Harvard Bus. School, 2002.
警告: この引用は必ずしも正確ではありません.