Jones, G. P. (1937). The California State Board of Public Health: California's State Board of Health, the Second to Be Established in the United States.
Παραπομπή Chicago StyleJones, Guy P. The California State Board of Public Health: California's State Board of Health, the Second to Be Established in the United States. 1937.
Παραπομπή MLAJones, Guy P. The California State Board of Public Health: California's State Board of Health, the Second to Be Established in the United States. 1937.
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