Butier, W. H., & Panigirtzoglou, N. (1999). Liquidity traps: How to avoid them and how to escape them. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Butier, Willem H., a Nikolaos Panigirtzoglou. Liquidity Traps: How to Avoid Them and How to Escape Them. Cambridge: National Bureau of Economic Research, 1999.
Citace podle MLA (9th ed.)Butier, Willem H., a Nikolaos Panigirtzoglou. Liquidity Traps: How to Avoid Them and How to Escape Them. National Bureau of Economic Research, 1999.
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