Dyfyniad APA

(1957). Modern sanitation: The national magazine of industrial & institutional sanitation. Powell Magazines.

Dyfyniad Arddull Chicago

Modern Sanitation: The National Magazine of Industrial & Institutional Sanitation. Lancaster, Pa.: Powell Magazines, 1957.

Dyfyniad MLA

Modern Sanitation: The National Magazine of Industrial & Institutional Sanitation. Powell Magazines, 1957.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.