Gravetter, Frederick J Research methods for the behavioral sciences/ Frederick J. Gravetter and Lori-Ann B. Forzano - 3rg Intl.ed. - Australia: Wadsworth Publishing Co.Inc, 2008 - 628 p. Ethics in Research, Selecting Research Participants ISBN: 9781305104136 Subjects--Topical Terms: Research Methods Dewey Class. No.: 150.72 / GRA/R