Johnston, J. (1985). Econometrics methods (1st edition.). McGraw-Hill.
Cita Chicago (17th ed.)Johnston, J. Econometrics Methods. 1st edition. Auckland: McGraw-Hill, 1985.
Cita MLA (9th ed.)Johnston, J. Econometrics Methods. 1st edition. McGraw-Hill, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.