Franklin

MLA

National Hmo Census of Prepaid Plans. Rockville, Md.: U.S. Dept. of Health, Education and Welfare, Public Health Service, [Office of Health Maintenance Organizations] Division of Program Promotion , .

APA

National HMO census of prepaid plans. Rockville, Md.: U.S. Dept. of Health, Education and Welfare, Public Health Service, [Office of Health Maintenance Organizations] Division of Program Promotion .

Chicago

National HMO Census of Prepaid Plans. Rockville, Md.: U.S. Dept. of Health, Education and Welfare, Public Health Service, [Office of Health Maintenance Organizations] Division of Program Promotion.