Dyfyniad APA

Dryden. (2008). The Rational Emotive Behavioural Therapy in a Nut Shell (1st.ed.).

Dyfyniad Arddull Chicago

Dryden. The Rational Emotive Behavioural Therapy in a Nut Shell. 1st.ed. London, 2008.

Dyfyniad MLA

Dryden. The Rational Emotive Behavioural Therapy in a Nut Shell. 1st.ed. 2008.

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