(1992). A Checklist for Evaluating Personal Assistance Services (PAS) Policies and Programs. Version 2.3 Connie Lyle O'Brien and John O'Brien. [microform].
Chicago Style (17th ed.) ZitazioaA Checklist for Evaluating Personal Assistance Services (PAS) Policies and Programs. Version 2.3 Connie Lyle O'Brien and John O'Brien. [microform]. 1992.
MLA (9th ed.) ZitazioaA Checklist for Evaluating Personal Assistance Services (PAS) Policies and Programs. Version 2.3 Connie Lyle O'Brien and John O'Brien. [microform]. 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.