The faculty of the various schools have recommended specific texts as helpful in approaching the study and use of statistics in dissertations. As you can see, many recommendations cross schools, and learners are welcome to explore any of them, not just those recommended by their schools.
Counseling Department
Tabachnick, B. G., & Fidell, L. S. (2007). Using multivariate statistics (5th ed.). Boston, MA: Allyn & Bacon. ISBN: 9780205459384.
Psychology Department
Doc. reference: phd_t3_u02s7_h01_stattxts.html