Hutchins, D. E. (1986). Helping relationships and strategies. Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Hutchins, David E. Helping Relationships and Strategies. Monterey: Brooks/Cole, 1986.
Lua MLA (9ú heag.)Hutchins, David E. Helping Relationships and Strategies. Brooks/Cole, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.