Gasper, J. M. (2012). Drug use and delinquency: Causes of dropping out of high school? LFB Scholarly Pub. LLC.
Chicago Style (17. basım) AtıfGasper, Joseph M. Drug Use and Delinquency: Causes of Dropping Out of High School? El Paso: LFB Scholarly Pub. LLC, 2012.
MLA (9th ed.) AtıfGasper, Joseph M. Drug Use and Delinquency: Causes of Dropping Out of High School? LFB Scholarly Pub. LLC, 2012.
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