DAVIDSON RUSSELL. (2004). ECONOMETRIC THEORY AND METHODS. OXFORD UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)DAVIDSON RUSSELL. ECONOMETRIC THEORY AND METHODS. NEW YORK: OXFORD UNIVERSITY PRESS, 2004.
Lua MLA (9ú heag.)DAVIDSON RUSSELL. ECONOMETRIC THEORY AND METHODS. OXFORD UNIVERSITY PRESS, 2004.
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