APA-referens (7:e uppl.)

BRENNAN, M. J., & CARROLL, T. M. (1987). Preface to quantitative economics and econometrics.--Ed.4. South-Western.

Chicago-referens (17:e uppl.)

BRENNAN, Michael J., och Thomas M. CARROLL. Preface to Quantitative Economics and Econometrics.--Ed.4. Cincinnati: South-Western, 1987.

MLA-referens (9:e uppl.)

BRENNAN, Michael J., och Thomas M. CARROLL. Preface to Quantitative Economics and Econometrics.--Ed.4. South-Western, 1987.