Harris, C. M., & Harris, J. M. (1988). AIDS information systems in Philadelphia: Audit and recommendations. Philadelphia, PA (3641 Locust Walk, Philadelphia 19104-6218): Trustees of the University of Pennsylvania.

Harris, C. Martin., and John M. Harris. AIDS Information Systems in Philadelphia: Audit and Recommendations. Philadelphia, PA (3641 Locust Walk, Philadelphia 19104-6218): Trustees of the University of Pennsylvania, 1988.

Harris, C. Martin., and John M. Harris. AIDS Information Systems in Philadelphia: Audit and Recommendations. Philadelphia, PA (3641 Locust Walk, Philadelphia 19104-6218): Trustees of the University of Pennsylvania, 1988.