APA

Koch H. K., National Center for Health Statistics (U.S.), . (1973). Ophthalmology manpower: utilization of supplementary personnel, United States--1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics.

Chicago

Koch Hugo K, National Center for Health Statistics (U.S.), . 1973. Ophthalmology manpower: utilization of supplementary personnel, United States--1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics.

Harvard

Koch H. K., National Center for Health Statistics (U.S.), . (1973). Ophthalmology manpower: utilization of supplementary personnel, United States--1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics.

MLA

Koch Hugo K, National Center for Health Statistics (U.S.), . Ophthalmology manpower: utilization of supplementary personnel, United States--1968. Rockville, Md: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics. 1973.