Gaya APA

Judge, G, G. et al (1988). Introduction to the Theory and Practice of Econometrics 2nd Ed (2nd ed). New York: John Wiley & Sons.

Gaya MLA

Judge, George, G. et al. "Introduction to the Theory and Practice of Econometrics 2nd Ed". 2nd ed New York: John Wiley & Sons, 1988. Text.