ANDY, Andy P. Discovering statistics using IBM SPSS statistics : - 4th edition. - Kos Angeles : SAGE, 2013. - xxxvi, 915 p. : col. ill . ; pictuer ; 26cm. icludes index. ISBN: 9781446249178 9781446249185 Subjects--Topical Terms: Social sciences Dewey Class. No.: 519.5028