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Lua i Stíl Chicago (17ú heag.)Pfaff, Bernhard. Financial Risk Modelling and Portfolio Optimization with R. Second edition. Southern Gate, Chichester, West Sussex, UK: Wiley, 2016.
Lua MLA (9ú heag.)Pfaff, Bernhard. Financial Risk Modelling and Portfolio Optimization with R. Second edition. Wiley, 2016.
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