Lua APA (7ú heag.)

JOHNSON, A. C. Econometric basic and applied. Macmillan Publishing Company.

Lua i Stíl Chicago (17ú heag.)

JOHNSON, Aaron C. Econometric Basic and Applied. Macmillan Publishing Company.

Lua MLA (8ú heag.)

JOHNSON, Aaron C. Econometric Basic and Applied. Macmillan Publishing Company.

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