RUUD PAUL A. (2000). INTRODUCTION TO CLASSICAL ECONOMETRIC THEORY. OXFORD UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)RUUD PAUL A. INTRODUCTION TO CLASSICAL ECONOMETRIC THEORY. NEW YORK: OXFORD UNIVERSITY PRESS, 2000.
Lua MLA (9ú heag.)RUUD PAUL A. INTRODUCTION TO CLASSICAL ECONOMETRIC THEORY. OXFORD UNIVERSITY PRESS, 2000.
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