Cramer, D. (1998). Fundamental statistics for social research: Step by step calculations and computer techniques using. Routledge.
Chicago-Zitierstil (17. Ausg.)Cramer, Duncan. Fundamental Statistics for Social Research: Step by Step Calculations and Computer Techniques Using. London: Routledge, 1998.
MLA-Zitierstil (9. Ausg.)Cramer, Duncan. Fundamental Statistics for Social Research: Step by Step Calculations and Computer Techniques Using. Routledge, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.