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Lua i Stíl Chicago (17ú heag.)SARMA K V S. STATISTICS MADE SIMPLE: DO IT YOURSELF ON PC. NEW DELHI: PRENTICE HALL OF INDIA, 2002.
Lua MLA (9ú heag.)SARMA K V S. STATISTICS MADE SIMPLE: DO IT YOURSELF ON PC. PRENTICE HALL OF INDIA, 2002.
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