Dyfyniad APA

Thomas, E. J. (1984). Designing interventions for the helping professions. Beverly Hill, Cliff : Sage Pub.

Dyfyniad Arddull Chicago

Thomas, Edwin J. Designing Interventions for the Helping Professions. Beverly Hill, Cliff : Sage Pub, 1984.

Dyfyniad MLA

Thomas, Edwin J. Designing Interventions for the Helping Professions. Beverly Hill, Cliff : Sage Pub, 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.