Lopez, Shane J. Ed. Encyclopedia of positive psychology. Shane J. Lopez Ed. - New York : John Wiley, 2009. - 1125p. - Volume 2: L-Z . ISBN: 9781405161251 19584 Source: 417, 20/10/2009, Pioneer Book Distributors Textual Subjects--Topical Terms: Psychology Dewey Class. No.: S:523k P9.2 RR