APA (7th ed.) Zitazioa

Cramer, D. (1998). Fundamental statistics for social research: Step by step calculations and computer techniques using. Routledge.

Chicago Style (17th ed.) Zitazioa

Cramer, Duncan. Fundamental Statistics for Social Research: Step by Step Calculations and Computer Techniques Using. London: Routledge, 1998.

MLA (9th ed.) Zitazioa

Cramer, Duncan. Fundamental Statistics for Social Research: Step by Step Calculations and Computer Techniques Using. Routledge, 1998.