Cita APA (7th ed.)

Bryman, A., & Cramer, D. (2011). Quantitative data analysis with IBM SPSS 17, 18 and 19: A guide for social scientists. Routledge.

Cita Chicago (17th ed.)

Bryman, Alan, i Duncan Cramer. Quantitative Data Analysis with IBM SPSS 17, 18 and 19: A Guide for Social Scientists. London: Routledge, 2011.

Cita MLA (9th ed.)

Bryman, Alan, i Duncan Cramer. Quantitative Data Analysis with IBM SPSS 17, 18 and 19: A Guide for Social Scientists. Routledge, 2011.