Beck, A. T. (1979). Cognitive therapy of depression. Guilford Press.
Chicago-čujuhus (17. p.)Beck, Aaron T. Cognitive Therapy of Depression. New York: Guilford Press, 1979.
MLA-čujuhus (9. p.)Beck, Aaron T. Cognitive Therapy of Depression. Guilford Press, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.