APA-referens (7:e uppl.)

Cramer, D. (1997). Basic statistics for social research: Step-by-step calculations and computer techniques using Minitab. Routledge.

Chicago-referens (17:e uppl.)

Cramer, Duncan. Basic Statistics for Social Research: Step-by-step Calculations and Computer Techniques Using Minitab. London, New York: Routledge, 1997.

MLA-referens (9:e uppl.)

Cramer, Duncan. Basic Statistics for Social Research: Step-by-step Calculations and Computer Techniques Using Minitab. Routledge, 1997.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.