MADDALA, G. (1977). Econometrics. McGraw-Hill Book Company.
Lua i Stíl Chicago (17ú heag.)MADDALA, G.S. Econometrics. Auckland: McGraw-Hill Book Company, 1977.
Lua MLA (9ú heag.)MADDALA, G.S. Econometrics. McGraw-Hill Book Company, 1977.
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