The 5 essential people skills : how to assert yourself, listen to others, and resolve conflicts / Five essential people skills. Dale Carnegie Training. - 1st Fireside trade paperback ed. - New York : Simon & Schuster, 2009. - viii, 240 p. ; 22 cm. "A Fireside book." ISBN: 1416595481 9781416595489 Subjects--Topical Terms: Assertiveness (Psychology).Interpersonal communication.Interpersonal relations.