Valavanis, S., & Conrad, A. h. (1959). Econometrics: An introduction to maximum likelihood methods. toronto.
Citace podle Chicago (17th ed.)Valavanis, Stefan, a Alfred h. Conrad. Econometrics: An Introduction to Maximum Likelihood Methods. london: toronto, 1959.
Citace podle MLA (9th ed.)Valavanis, Stefan, a Alfred h. Conrad. Econometrics: An Introduction to Maximum Likelihood Methods. toronto, 1959.