Wagner, William E. Using IBM SPSS statistics for research methods and social science statistics / William E. Wagner - 4th ed. - Los Angeles : SAGE, c2013. - ix, 156 p. : ill. ; 22 cm. ISBN: 9781452217703 LCCN: Subjects--Topical Terms: Social sciencesStatistical methodsSpss for LC Class. No.: HA32 / .W34 2013