Dyfyniad APA

ebrary, Inc, Duffy, M. P., & Gillig, S. E. (2004). Teen gangs: A global view. Greenwood Press.

Dyfyniad Arddull Chicago

ebrary, Inc, Maureen P. Duffy, and Scott Edward Gillig. Teen Gangs: A Global View. Westport, Conn.: Greenwood Press, 2004.

Dyfyniad MLA

ebrary, Inc, et al. Teen Gangs: A Global View. Greenwood Press, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.