Dyfyniad APA

Brabender, V., Fallon, A., & Smolar, A. I. (2004). Essentials of group therapy. Wiley.

Dyfyniad Arddull Chicago

Brabender, Virginia, April Fallon, and Andrew I. Smolar. Essentials of Group Therapy. Hoboken, N.J.: Wiley, 2004.

Dyfyniad MLA

Brabender, Virginia, et al. Essentials of Group Therapy. Wiley, 2004.

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