(1957). Modern sanitation: The national magazine of industrial & institutional sanitation. Powell Magazines.
Lua i Stíl Chicago (17ú heag.)Modern Sanitation: The National Magazine of Industrial & Institutional Sanitation. Lancaster, Pa.: Powell Magazines, 1957.
Lua MLA (8ú heag.)Modern Sanitation: The National Magazine of Industrial & Institutional Sanitation. Powell Magazines, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.