Clark, C. (1977). Poverty before politics: A proposal for a reverse income tax. Institute of Economic Affairs.
Citace podle Chicago (17th ed.)Clark, Colin. Poverty Before Politics: A Proposal for a Reverse Income Tax. [London]: Institute of Economic Affairs, 1977.
Citace podle MLA (9th ed.)Clark, Colin. Poverty Before Politics: A Proposal for a Reverse Income Tax. Institute of Economic Affairs, 1977.
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