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Lua i Stíl Chicago (17ú heag.)Prince, Y. M. Price-cost Margins in Dutch Manufacturing: With an Emphasis on Cyclical and Firm-size Effects. Amsterdam: Thesis Publishers, 1994.
Lua MLA (8ú heag.)Prince, Y. M. Price-cost Margins in Dutch Manufacturing: With an Emphasis on Cyclical and Firm-size Effects. Thesis Publishers, 1994.
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