OSTROM, C. W. (1990). Time series analysis: Regression techniques.-- Ed.2. Sage Publications.
Lua i Stíl Chicago (17ú heag.)OSTROM, Charles W. Time Series Analysis: Regression Techniques.-- Ed.2. Newbury: Sage Publications, 1990.
Lua MLA (9ú heag.)OSTROM, Charles W. Time Series Analysis: Regression Techniques.-- Ed.2. Sage Publications, 1990.
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