Cita APA (7th ed.)

Johnston, J. (1991). Econometric methods (1st edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Johnston, J. Econometric Methods. 1st edition. Singapore: McGraw-Hill, 1991.

Cita MLA (9th ed.)

Johnston, J. Econometric Methods. 1st edition. McGraw-Hill, 1991.