Sandford, C. T. (1973). Hidden costs of taxation. Institute for Fiscal Studies.
Dyfyniad Arddull ChicagoSandford, Cedric Thomas. Hidden Costs of Taxation. [London]: Institute for Fiscal Studies, 1973.
Dyfyniad MLASandford, Cedric Thomas. Hidden Costs of Taxation. Institute for Fiscal Studies, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.