George, Darren. SPSS for Windows step by step : A Simple guide and reference / by Darren George, Paul Mallery. - 10th ed. - India: Pearson, c2011. - x, 386 p. : ill. ; 25 cm. Includes index. ISBN: 9788131762257 Subjects--Topical Terms: Database management. Dewey Class. No.: 005.55 / GES