Dyfyniad APA
Sanders, D., Hallam, R. S., & Wills, F. (2003). Counselling for anxiety problems (2nd ed.). Sage Pub..
Dyfyniad Arddull Chicago
Sanders, Diana, Richard S. Hallam, and Frank Wills. Counselling for Anxiety Problems. 2nd ed. London ; Thousand Oaks, Calif.: Sage Pub., 2003.
Dyfyniad MLA
Sanders, Diana, et al. Counselling for Anxiety Problems. 2nd ed. Sage Pub., 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.