Johnston, J. (1960). Econometric methods (Second edition.). McGraw-Hill.
Cita Chicago (17th ed.)Johnston, J. Econometric Methods. Second edition. New York: McGraw-Hill, 1960.
Cita MLA (8th ed.)Johnston, J. Econometric Methods. Second edition. McGraw-Hill, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.