Kress, J. R., & Singer, J. (1975). HMO handbook: A guide for development of prepaid group practice health maintenance organizations. Aspen Systems Corp..
Chicago Style (17th ed.) CitationKress, John R., and James Singer. HMO Handbook: A Guide for Development of Prepaid Group Practice Health Maintenance Organizations. Rockville, Md.: Aspen Systems Corp., 1975.
MLA (9th ed.) CitationKress, John R., and James Singer. HMO Handbook: A Guide for Development of Prepaid Group Practice Health Maintenance Organizations. Aspen Systems Corp., 1975.
Warning: These citations may not always be 100% accurate.