Παραπομπή APA

Neenan. (2006). Cognetive Therapy in a Nut Shell (2nd.ed.).

Παραπομπή Chicago Style

Neenan. Cognetive Therapy in a Nut Shell. 2nd.ed. London, 2006.

Παραπομπή MLA

Neenan. Cognetive Therapy in a Nut Shell. 2nd.ed. 2006.