Dyfyniad APA

Waitman, A., & Conboy-Hill, S. (1992). Psychotherapy and mental handicap. Sage Publications.

Dyfyniad Arddull Chicago

Waitman, Alexis, and Suzanne Conboy-Hill. Psychotherapy and Mental Handicap. London ; Newbury Park: Sage Publications, 1992.

Dyfyniad MLA

Waitman, Alexis, and Suzanne Conboy-Hill. Psychotherapy and Mental Handicap. Sage Publications, 1992.

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