Valavanis, S., & Conrad, A. h. (1959). Econometrics: An introduction to maximum likelihood methods. toronto.
芝加哥风格引文Valavanis, Stefan, 与 Alfred h. Conrad. Econometrics: An Introduction to Maximum Likelihood Methods. london: toronto, 1959.
MLA引文Valavanis, Stefan, 与 Alfred h. Conrad. Econometrics: An Introduction to Maximum Likelihood Methods. toronto, 1959.
警告：这些引文格式不一定是100％准确.