ebrary, Inc, & Cooper, J. G. (2009). Youth gangs: Causes, violence and interventions. Nova Science Publishers.
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Dyfyniad Arddull Chicago
ebrary, Inc, and John G. Cooper. Youth Gangs: Causes, Violence and Interventions. New York: Nova Science Publishers, 2009.
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Dyfyniad MLA
ebrary, Inc, and John G. Cooper. Youth Gangs: Causes, Violence and Interventions. Nova Science Publishers, 2009.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.