Underhill, Paco.
Why we buy: the science of shopping : updated and revised for the Internet, the global consumer and beyond /
Paco Underhill 
. - New York : Simon & Schuster Paperbacks,  2009 
. - 306 p.  21 cm. 
<br/><label>  ISBN: </label>978-1-4165-9524-3 1-4165-9524-4 0-684-84913-5