American Association for Marriage and Family Therapy. (2014). Approved Supervisor designation: Standards handbook (version 5, March 2019 update). Author. Review the sections of the handbook that describe the philosophy of supervision paper and the rubrics for scoring it (pp. 23, 48, 49, & 67).
Lee, R. E., & Nelson, T. S. (2013). The contemporary relational supervisor. Routledge. Read Chapters 7 and 15. Chapter 7 addresses elements of effective supervision, including findings from empirical evidence, and Chapter 15 provides guidance on preparing your philosophy of supervision paper.