Heyman, R. (1994). Why Didn't you say that in the first place?: : how to be understood at work. Jossey-Bass.
Chicagoスタイル(17版)引用形式Heyman, Richard. Why Didn't You Say That in the First Place?: : How to Be Understood at Work. San Francisco: Jossey-Bass, 1994.
MLA(9版)引用形式Heyman, Richard. Why Didn't You Say That in the First Place?: : How to Be Understood at Work. Jossey-Bass, 1994.
警告: この引用は必ずしも正確ではありません.