%0 Book %A Field, Andy P. %I SAGE %D 2005 %C London %G English %B Introducing statistical methods %@ 0761944516 %@ 9780761944515 %@ 0761944524 %@ 9780761944522 %T Discovering statistics using SPSS : (and sex, drugs and rock'n'roll) / Andy Field. %7 2nd ed.