Cita APA (7a ed.)

Perryman, W. (1990). School administrator's handbook on gangs & campus violence. Puget Sound Educational Service District.

Cita Chicago Style (17a ed.)

Perryman, Wayne. School Administrator's Handbook on Gangs & Campus Violence. Seattle, Wash: Puget Sound Educational Service District, 1990.

Cita MLA (8a ed.)

Perryman, Wayne. School Administrator's Handbook on Gangs & Campus Violence. Puget Sound Educational Service District, 1990.

Precaución: Estas citas no son 100% exactas.