Gaya APA

Brinkman, R., Kirschner, R. (2003). Dealing with difficult people : 24 lessons for bringing out the best in everyone . New York: McGraw-Hill.

Gaya MLA

Brinkman, Rick., Kirschner, Rick. "Dealing with difficult people : 24 lessons for bringing out the best in everyone". New York: McGraw-Hill, 2003. Text.