JOHNSON, A. C. (1987). Econometrics: Basic and applied / Aaron C. Johnson. Macmillan Publishing.
Lua i Stíl Chicago (17ú heag.)JOHNSON, Aaron C. Econometrics: Basic and Applied / Aaron C. Johnson. Macmillan Publishing, 1987.
Lua MLA (8ú heag.)JOHNSON, Aaron C. Econometrics: Basic and Applied / Aaron C. Johnson. Macmillan Publishing, 1987.
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