Foster, R. (1978). The complete guide to Middle-earth: From The Hobbit to The Silmarillion. Allen & Unwin.
Dyfyniad Arddull ChicagoFoster, Robert. The Complete Guide to Middle-earth: From The Hobbit to The Silmarillion. London ; Boston: Allen & Unwin, 1978.
Dyfyniad MLAFoster, Robert. The Complete Guide to Middle-earth: From The Hobbit to The Silmarillion. Allen & Unwin, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.