Dyfyniad APA

Zimring, F. E. (2007). The great American crime decline. Oxford University Press.

Dyfyniad Arddull Chicago

Zimring, Franklin E. The Great American Crime Decline. New York: Oxford University Press, 2007.

Dyfyniad MLA

Zimring, Franklin E. The Great American Crime Decline. Oxford University Press, 2007.

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