APA-ийн эшлэл(7 дахь хэвлэлт)

Heyman, R. (1994). Why Didn't you say that in the first place?: : how to be understood at work. Jossey-Bass.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Heyman, Richard. Why Didn't You Say That in the First Place?: : How to Be Understood at Work. San Francisco: Jossey-Bass, 1994.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Heyman, Richard. Why Didn't You Say That in the First Place?: : How to Be Understood at Work. Jossey-Bass, 1994.