Dyfyniad APA

Johnston, J., & Dinardo, J. (1997). Econometric Methods [Đĩa mềm]. Singapore: McGraw-Hill.

Dyfyniad Arddull Chicago

Johnston, Jack, và John Dinardo. Econometric Methods [Đĩa Mềm]. Singapore: McGraw-Hill, 1997.

Dyfyniad MLA

Johnston, Jack, và John Dinardo. Econometric Methods [Đĩa Mềm]. Singapore: McGraw-Hill, 1997.

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