1. Professional psychology. [Washington, DC] : American Psychological Association, [1969]-©1982. CP522
2. Professional psychology, research and practice. [Washington, D.C.] : American Psychological Association CP616 MPT503 MPT505 CP617
4. Canadian journal of counselling= Revue canadienne de counseling Kanata, Ontario : Canadian Guidance and Counselling Association = Société canadienne d'orientation et de consultation, [1986-2010] MPT505
