APA (7th ed.) Zitazioa

Hutchins, D. E. (1986). Helping relationships and strategies. Brooks/Cole.

Chicago Style (17th ed.) Zitazioa

Hutchins, David E. Helping Relationships and Strategies. Monterey: Brooks/Cole, 1986.

MLA (9th ed.) Zitazioa

Hutchins, David E. Helping Relationships and Strategies. Brooks/Cole, 1986.