1. American Board of Professional Psychology. Specialty-specific certification procedures 2007 http://www.abpp.org/abpp_certification_procedures. htm
2. American Psychological Association 2007 Results of state provincial (sic) mandatory continuing education in psychology (MCEP) requirements survey - 2006 results http://www.apa.org/ce/mcesurvey03.html
3. APA Commission for the Recognition of Specialties and Proficiencies in Professional Psychology 2007 http://www.apa.org/crsppp/rsp.html
4. Association of State and Provincial Psychology Boards. 2001 Guidelines: Continuing professional education http://www.asppb.org/publications/guidelines/cpePrint.aspx