APA-referens (7:e uppl.)

Johnston, J. (1960). Econometric methods (Second edition.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Johnston, J. Econometric Methods. Second edition. New York: McGraw-Hill, 1960.

MLA-referens (8:e uppl.)

Johnston, J. Econometric Methods. Second edition. McGraw-Hill, 1960.