Dyfyniad APA

Griffiths, W. E., Hill, R. C., & Judge, G. G. (1993). Learning and practicing econometrics. New York: John Wiley and Sons.

Dyfyniad Arddull Chicago

Griffiths, W. E.,, R. Carter Hill, và George G. Judge. Learning and Practicing Econometrics. New York: John Wiley and Sons, 1993.

Dyfyniad MLA

Griffiths, W. E.,, R. Carter Hill, và George G. Judge. Learning and Practicing Econometrics. New York: John Wiley and Sons, 1993.

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