ebrary, Inc, Duffy, M. P., & Gillig, S. E. (2004). Teen gangs: A global view. Greenwood Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, Maureen P. Duffy, eta Scott Edward Gillig. Teen Gangs: A Global View. Westport, Conn.: Greenwood Press, 2004.
MLA (9th ed.) Zitazioaebrary, Inc, et al. Teen Gangs: A Global View. Greenwood Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.