Ball, C. (1977). Community service and the young unemployed. National Youth Bureau.
Cita Chicago Style (17a ed.)Ball, Colin. Community Service and the Young Unemployed. Leicester: National Youth Bureau, 1977.
Cita MLA (8a ed.)Ball, Colin. Community Service and the Young Unemployed. National Youth Bureau, 1977.
Precaución: Estas citas no son 100% exactas.