Kocher, P. H. (1980). A reader's guide to The Silmarillion. Thames and Hudson.
Dyfyniad Arddull ChicagoKocher, Paul Harold. A Reader's Guide to The Silmarillion. London: Thames and Hudson, 1980.
Dyfyniad MLAKocher, Paul Harold. A Reader's Guide to The Silmarillion. Thames and Hudson, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.