ebrary, Inc, & Cooper, J. G. (2009). Youth gangs: Causes, violence and interventions. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, 与 John G. Cooper. Youth Gangs: Causes, Violence and Interventions. New York: Nova Science Publishers, 2009.
MLA引文ebrary, Inc, 与 John G. Cooper. Youth Gangs: Causes, Violence and Interventions. Nova Science Publishers, 2009.
警告：这些引文格式不一定是100％准确.