Dyfyniad APA

Routledge (Firm). Counseling outcome research and evaluation. Sage Publications.

Dyfyniad Arddull Chicago

Routledge (Firm). Counseling Outcome Research and Evaluation. Thousand Oaks, CA: Sage Publications.

Dyfyniad MLA

Routledge (Firm). Counseling Outcome Research and Evaluation. Sage Publications.

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