Caspar, F.; Holtforth, M. G. (2010), Klaus Grawe: On a constant quest for a truly integrative and research-based psychotherapy, у Castonguay, L. G. та ін. (ред.), Bringing psychotherapy research to life: Understanding change through the work of leading clinical researchers, Washington, DC, USA: American Psychological Association, с. 113—123, doi:10.1037/12137-010(англ.)
