Dyfyniad APA

N, G. D. (2009). Basic Econometrics (5th edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

N, Gujarati D. Basic Econometrics. 5th edition. New York: McGraw-Hill, 2009.

Dyfyniad MLA

N, Gujarati D. Basic Econometrics. 5th edition. McGraw-Hill, 2009.

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