Allen, J. W. (1990). Office computer systems for health professionals: A cost-benefit approach to assessing alternative technologies. McGraw-Hill.
Chicago-referens (17:e uppl.)Allen, James W. Office Computer Systems for Health Professionals: A Cost-benefit Approach to Assessing Alternative Technologies. New York: McGraw-Hill, 1990.
MLA-referens (9:e uppl.)Allen, James W. Office Computer Systems for Health Professionals: A Cost-benefit Approach to Assessing Alternative Technologies. McGraw-Hill, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.