Noel, R. S. (1980). The languages of Tolkien's Middle-earth. Houghton Mifflin.
Dyfyniad Arddull ChicagoNoel, Ruth S. The Languages of Tolkien's Middle-earth. Boston: Houghton Mifflin, 1980.
Dyfyniad MLANoel, Ruth S. The Languages of Tolkien's Middle-earth. Houghton Mifflin, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.