Field Andy. (2013). Discovering Statistics using IBM spss statistics (4th.). Sage Pub.
Citazione stile Chigago Style (17a edizione)Field Andy. Discovering Statistics Using IBM Spss Statistics. 4th. London: Sage Pub, 2013.
Citatione MLA (9a ed.)Field Andy. Discovering Statistics Using IBM Spss Statistics. 4th. Sage Pub, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.