Dyfyniad APA

Walker, J. J. M. (2009). Statistics in criminology and criminal justice: Analysis and interpretation (3rd ed.). Jones and Bartlett.

Dyfyniad Arddull Chicago

Walker, Jeffery J Maddan. Statistics in Criminology and Criminal Justice: Analysis and Interpretation. 3rd ed. Boston: Jones and Bartlett, 2009.

Dyfyniad MLA

Walker, Jeffery J Maddan. Statistics in Criminology and Criminal Justice: Analysis and Interpretation. 3rd ed. Jones and Bartlett, 2009.

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