Spiegler, M. D., & Guevremont, D. C. (2003). Contemporary behavior therapy (4th ed.). Thomson Wadsworth.
Chicago Style aipamenaSpiegler, Michael D., and David C. Guevremont. Contemporary Behavior Therapy. 4th ed. Australia: Thomson Wadsworth, 2003.
MLA aipamenaSpiegler, Michael D., and David C. Guevremont. Contemporary Behavior Therapy. 4th ed. Thomson Wadsworth, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.