Current tax reporter (Supreme court), volume 12, 1979. Current Tax Reporter.
Dyfyniad Arddull ChicagoCurrent Tax Reporter (Supreme Court), Volume 12, 1979. Jodhpur: Current Tax Reporter.
Dyfyniad MLACurrent Tax Reporter (Supreme Court), Volume 12, 1979. Current Tax Reporter.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.