Dyfyniad APA

Johnston,, J., & Dinardo,, J. Econometric methods (with CD).

Dyfyniad Arddull Chicago

Johnston,, Jack, and John Dinardo. Econometric Methods (with CD).

Dyfyniad MLA

Johnston,, Jack, and John Dinardo. Econometric Methods (with CD).

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