Dyfyniad APA

International Union of Local Authorities. IULA newsletter. International Union of Local Authorities.

Dyfyniad Arddull Chicago

International Union of Local Authorities. IULA Newsletter. The Hague: International Union of Local Authorities.

Dyfyniad MLA

International Union of Local Authorities. IULA Newsletter. International Union of Local Authorities.

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