Pettijohn, Terry F. Psychology : a concise introduction / Terry F. Pettijohn. - 3rd ed. - Guilford, Conn. : Dushkin Pub. Group, c1992. - xxi, 469 p. : ill. ; 28 cm. ISBN: 1561340634 LCCN: 91077531 LC Class. No.: BF121 .P45 1992 / .P45 1992 Dewey Class. No.: 150