Kaldor, N. (1955). An expenditure tax. Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Kaldor, Nicholas. An Expenditure Tax. London: Allen & Unwin, 1955.
Lua MLA (9ú heag.)Kaldor, Nicholas. An Expenditure Tax. Allen & Unwin, 1955.
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