Richmond David. (1994). Introduction to Valuation (3rd.). Palgrave McMillan.
Dyfyniad Arddull ChicagoRichmond David. Introduction to Valuation. 3rd. New York: Palgrave McMillan, 1994.
Dyfyniad MLARichmond David. Introduction to Valuation. 3rd. Palgrave McMillan, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.