APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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