Thomas, E. J. (1984). Designing interventions for the helping professions. Beverly Hill, Cliff : Sage Pub.
Chicago Style (17th ed.) CitationThomas, Edwin J. Designing Interventions for the Helping Professions. Beverly Hill, Cliff : Sage Pub, 1984.
MLA (9th ed.) CitationThomas, Edwin J. Designing Interventions for the Helping Professions. Beverly Hill, Cliff : Sage Pub, 1984.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.