Dyfyniad APA

Griffiths, W. E., Hill, R. C., & Judge, G. G. (1993). Learning and practicing econometrics. Wiley.

Dyfyniad Arddull Chicago

Griffiths, William E., R. Carter Hill, and George G. Judge. Learning and Practicing Econometrics. New York: Wiley, 1993.

Dyfyniad MLA

Griffiths, William E., et al. Learning and Practicing Econometrics. Wiley, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.