Cramer, D. (1997). Basic statistics for social research: Step-by-step calculations and computer techniques using Minitab. Routledge.
Citazione stile Chigago Style (17a edizione)Cramer, Duncan. Basic Statistics for Social Research: Step-by-step Calculations and Computer Techniques Using Minitab. London, New York: Routledge, 1997.
Citatione MLA (9a ed.)Cramer, Duncan. Basic Statistics for Social Research: Step-by-step Calculations and Computer Techniques Using Minitab. Routledge, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.