Lua APA (7ú heag.)

Valavanis, S., & Conrad, A. h. (1959). Econometrics: An introduction to maximum likelihood methods. toronto.

Lua i Stíl Chicago (17ú heag.)

Valavanis, Stefan, agus Alfred h. Conrad. Econometrics: An Introduction to Maximum Likelihood Methods. london: toronto, 1959.

Lua MLA (9ú heag.)

Valavanis, Stefan, agus Alfred h. Conrad. Econometrics: An Introduction to Maximum Likelihood Methods. toronto, 1959.

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