APA (7th ed.) Zitazioa

Hackman, M. Z., & Johnson, C. E. (2004). Leadership: A communication perspective (4th ed.). Waveland Press.

Chicago Style (17th ed.) Zitazioa

Hackman, Michael Z., eta Craig E. Johnson. Leadership: A Communication Perspective. 4th ed. Prospect Heights, Ill.: Waveland Press, 2004.

MLA (9th ed.) Zitazioa

Hackman, Michael Z., eta Craig E. Johnson. Leadership: A Communication Perspective. 4th ed. Waveland Press, 2004.