Richardson, B. W. Sanitation and the prevention of disease: Being chapter V. of the work entitled "Biological experimentation". Social Purity Alliance.
Chicago-viite (17. p.)Richardson, Benjamin Ward. Sanitation and the Prevention of Disease: Being Chapter V. of the Work Entitled "Biological Experimentation". Westminster: Social Purity Alliance.
MLA-viite (8. p.)Richardson, Benjamin Ward. Sanitation and the Prevention of Disease: Being Chapter V. of the Work Entitled "Biological Experimentation". Social Purity Alliance.
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