Toplin, R. B. (1976). Unchallenged violence: An American ordeal (2. print.). Greenwood Pr.
Cita Chicago Style (17a ed.)Toplin, Robert Brent. Unchallenged Violence: An American Ordeal. 2. print. Westport, Conn: Greenwood Pr, 1976.
Cita MLA (8a ed.)Toplin, Robert Brent. Unchallenged Violence: An American Ordeal. 2. print. Greenwood Pr, 1976.
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