. (1997). " 3. The Principle of Specificity". In The Therapeutic Perspective. Princeton: Princeton University Press. doi: https://doi.org/10.1515/9781400864638.58
. " 3. The Principle of Specificity". The Therapeutic Perspective. Princeton: Princeton University Press, 1997. https://doi.org/10.1515/9781400864638.58 Web.
. " 3. The Principle of Specificity". In The Therapeutic Perspective, (Princeton: Princeton University Press, 1997) doi: https://doi.org/10.1515/9781400864638.58
(1997). 3. The Principle of Specificity. In The Therapeutic Perspective, Princeton: Princeton University Press. Available From: Princeton University Press https://doi.org/10.1515/9781400864638.58 [Accessed 17 January 2021]