Dunn, H. L. (1956). Health and demography. U. S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, National Office of Vital Statistics.
Chicago Style aipamenaDunn, Halbert Louis. Health and Demography. [Washington]: U. S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, National Office of Vital Statistics, 1956.
MLA aipamenaDunn, Halbert Louis. Health and Demography. U. S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, National Office of Vital Statistics, 1956.
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