Cita APA

Drummond, L. M., & Stern, R. (1991). The practice of behavioural and cognitive psychotherapy.

Chicago Edition Citation

Drummond, Lynne M., i Richard Stern. The Practice of Behavioural and Cognitive Psychotherapy. Cambridge, Cambridge University Press, 1991.

Cita MLA

Drummond, Lynne M., i Richard Stern. The Practice of Behavioural and Cognitive Psychotherapy. 1991.