Dyfyniad APA

Simmons, J., & Griffiths, R. CBT for beginners (3rd edition.).

Dyfyniad Arddull Chicago

Simmons, Jane, and Rachel Griffiths. CBT for Beginners. 3rd edition.

Dyfyniad MLA

Simmons, Jane, and Rachel Griffiths. CBT for Beginners. 3rd edition.

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