Ugelstad, J. (1955). The reaction of formaldehyde with amides and the alkaline hydrolysis of alkoxymethyl ureas.
Dyfyniad Arddull ChicagoUgelstad, John. The Reaction of Formaldehyde with Amides and the Alkaline Hydrolysis of Alkoxymethyl Ureas. 's-Gravenhage, 1955.
Dyfyniad MLAUgelstad, John. The Reaction of Formaldehyde with Amides and the Alkaline Hydrolysis of Alkoxymethyl Ureas. 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.