Goeldner, Charles R. Tourism : principles, practices, philosophies / Charles R. Goeldner and J.R. Brent Ritchie. - 11th ed. - New Jersey : John Wiley & Sons, c2009. - 624 p. Includes bibliographical references and index. ISBN: 9780470084595 : Subjects--Topical Terms: Tourism. LC Class. No.: G155 / .AIM386