Dyfyniad APA

Lundin, W., Lundin, K., & Dobson, M. S. (2009). Working with difficult people (2nd ed.). AMACOM.

Dyfyniad Arddull Chicago

Lundin, William, Kathleen Lundin, and Michael Singer Dobson. Working with Difficult People. 2nd ed. New York: AMACOM, 2009.

Dyfyniad MLA

Lundin, William, et al. Working with Difficult People. 2nd ed. AMACOM, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.