WALKER, S. (1985). Sence And Nonsence About Crime A Polie Guide Samuel Walker. Brooks/Cole Publishing Company.
Chicago-viite (17. p.)WALKER, Samuel. Sence And Nonsence About Crime A Polie Guide Samuel Walker. Brooks/Cole Publishing Company, 1985.
MLA-viite (8. p.)WALKER, Samuel. Sence And Nonsence About Crime A Polie Guide Samuel Walker. Brooks/Cole Publishing Company, 1985.
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