We have found some academic references which highlight the importance of the therapeutic agreement:
The BACP Ethical Framework for good practice says it is essential that clients must be able to give adequately informed consent. Bad information can lead to misunderstandings and potential complaints.
Dale, H. (2010). P11 information sheet -making the contract for counselling and psychotherapy. Lutterworth: BACP
Sills, C. (2012). Contracts in counselling and Psychotherapy. London: Sage Publications ltd.
Mitchels, B and Bond, T (2011). Legal Issues Across Counselling & Psychotherapy Settings. London: Sage