Dyfyniad APA
P.U.R.H. (1991). PROJECT YOUNG PEOPLE WITH DISABILITIES. A SCHOOL / EMPLOYMENT OFFICE JOINT PROJECT. [s.n.].
Dyfyniad Arddull Chicago
P.U.R.H. PROJECT YOUNG PEOPLE WITH DISABILITIES. A SCHOOL / EMPLOYMENT OFFICE JOINT PROJECT. VEJBYSTRAND (SE): [s.n.], 1991.
Dyfyniad MLA
P.U.R.H. PROJECT YOUNG PEOPLE WITH DISABILITIES. A SCHOOL / EMPLOYMENT OFFICE JOINT PROJECT. [s.n.], 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.