Cita APA (7th ed.)

Cramer, D. (1994). Introducing statistics for social research: Step-by-step calculations and computer techniques using SPSS. Routledge.

Cita Chicago (17th ed.)

Cramer, Duncan. Introducing Statistics for Social Research: Step-by-step Calculations and Computer Techniques Using SPSS. London: Routledge, 1994.

Cita MLA (9th ed.)

Cramer, Duncan. Introducing Statistics for Social Research: Step-by-step Calculations and Computer Techniques Using SPSS. Routledge, 1994.