TY - BOOK AU - Pettijohn,Terry F. TI - Sources Psychology SN - 139780073404042 AV - BF121 .P45 2007 U1 - 150 20 PY - 2007/// CY - Guilford, Conn. PB - Dushkin Pub. Group KW - Psychology N1 - Includes bibliographical references (p. 429-454) and index ER -