Sandford, C. T. (1973). Hidden costs of taxation. Institute for Fiscal Studies.
Cita Chicago (17th ed.)Sandford, Cedric Thomas. Hidden Costs of Taxation. [London]: Institute for Fiscal Studies, 1973.
Cita MLA (9th ed.)Sandford, Cedric Thomas. Hidden Costs of Taxation. Institute for Fiscal Studies, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.