Dyfyniad APA

Cleanliness Institute (New York, N.Y.). The Cleanliness journal. Cleanliness Institute.

Dyfyniad Arddull Chicago

Cleanliness Institute (New York, N.Y.). The Cleanliness Journal. New York: Cleanliness Institute.

Dyfyniad MLA

Cleanliness Institute (New York, N.Y.). The Cleanliness Journal. Cleanliness Institute.

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