Heller, M. (2008). The gridlock economy: How too much ownership wrecks markets, stops innovation, and costs lives. Basic Books.
Čikaški stil citiranja (17. izdanje)Heller, Michael. The Gridlock Economy: How Too Much Ownership Wrecks Markets, Stops Innovation, and Costs Lives. Philadelphia, Penn: Basic Books, 2008.
MLA način citiranja (9. izdanje)Heller, Michael. The Gridlock Economy: How Too Much Ownership Wrecks Markets, Stops Innovation, and Costs Lives. Basic Books, 2008.
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