Zastrow, Charles H. Understanding human behavior and the social environment. / Charles H. Zastrow, Karen K. Kirst-Ashman, Sarah L. Hessenauer. - 11th edition. - Boston : Cengage Learning, Inc., 2019. - xxv, 803 p. : ill. ; 26 cm. Include bibliographical reference and index. ISBN: 9781337556477 LC Class. No.: HM / 1033 Z37 2019