.Gujarati, D. N. (1992). Essentials of econometrics. McGraw-Hill.
Chicago-čujuhus (17. p.).Gujarati, Damodar N. Essentials of Econometrics. New York: McGraw-Hill, 1992.
MLA-čujuhus (9. p.).Gujarati, Damodar N. Essentials of Econometrics. McGraw-Hill, 1992.
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