Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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