Field, A. (2016). Discovering Statistics using IBM SPSS Statistics and Sex and Drugs and Rock 'N' Noll (4th ed.). SAGE Publications India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Field, Andy. Discovering Statistics Using IBM SPSS Statistics and Sex and Drugs and Rock 'N' Noll. 4th ed. New Delhi: SAGE Publications India Pvt. Ltd, 2016.
Lua MLA (9ú heag.)Field, Andy. Discovering Statistics Using IBM SPSS Statistics and Sex and Drugs and Rock 'N' Noll. 4th ed. SAGE Publications India Pvt. Ltd, 2016.
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