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