Field, A. P. (2009). Discovering statistics using SPSS: (and sex, drugs and rock'n' roll) (3rd ed.). Sage.
Cita Chicago Style (17a ed.)Field, Andy P. Discovering Statistics Using SPSS: (and Sex, Drugs and Rock'n' Roll). 3rd ed. Los Angeles [etc.]: Sage, 2009.
Cita MLA (9a ed.)Field, Andy P. Discovering Statistics Using SPSS: (and Sex, Drugs and Rock'n' Roll). 3rd ed. Sage, 2009.
Precaución: Estas citas no son 100% exactas.