Gee, Jeff.
Super service: seven keys to delivering great customer service : even when you don’t feel like it : even when they don’t deserve it /
Jeff Gee, Val Gee 
. - New York : McGraw-Hill,  1999 
. - xi, 147 p.  ill., tab.  23 cm. 
<br/><label>  ISBN: </label>13: 978-0-07-024817-5 10: 0-07-024817-6