Castillo, E. J. Educational Service Contracting Program: An evaluation.
Čikaški stil citiranja (17. izdanje)Castillo, Elena J. Educational Service Contracting Program: An Evaluation.
MLA način citiranja (9. izdanje)Castillo, Elena J. Educational Service Contracting Program: An Evaluation.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.