APA-čujuhus (7. p.)
Gasper, J. M. (2012). Drug use and delinquency: Causes of dropping out of high school? LFB Scholarly Pub. LLC.
Chicago-čujuhus (17. p.)
Gasper, Joseph M. Drug Use and Delinquency: Causes of Dropping Out of High School? El Paso: LFB Scholarly Pub. LLC, 2012.
MLA-čujuhus (9. p.)
Gasper, Joseph M. Drug Use and Delinquency: Causes of Dropping Out of High School? LFB Scholarly Pub. LLC, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.