Babbie, Earl The Basics of Social Research: Study Guide - 5th ed. - Belmont Wadsworth / Cengage Learning AUWSF 2011 - 330 p. ISBN: 978-0-495-90308-6 Subjects--Topical Terms: Methodology Research Social sciences--MethodologySocial sciencesSocial sciences--Research LC Class. No.: H62.B18