1. Professional psychology, research and practice. [Washington, D.C.] : American Psychological Association CP616 MPT503 MPT505 CP617
2. Professional psychology. [Washington, DC] : American Psychological Association, [1969]-©1982. CP522
3. Journal of occupational health psychology. [Washington, D.C.] : Educational Pub. Foundation, [1996]- CP501 PSY309
