Richardson, B. W. Sanitation and the prevention of disease: Being chapter V. of the work entitled "Biological experimentation". Social Purity Alliance.
Lua i Stíl Chicago (17ú heag.)Richardson, Benjamin Ward. Sanitation and the Prevention of Disease: Being Chapter V. of the Work Entitled "Biological Experimentation". Westminster: Social Purity Alliance.
Lua MLA (8ú heag.)Richardson, Benjamin Ward. Sanitation and the Prevention of Disease: Being Chapter V. of the Work Entitled "Biological Experimentation". Social Purity Alliance.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.