APA-referens (7:e uppl.)

Johnston, J. (1997). Econometric methods (4th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Johnston, Jack. Econometric Methods. 4th ed. New York: McGraw-Hill, 1997.

MLA-referens (9:e uppl.)

Johnston, Jack. Econometric Methods. 4th ed. McGraw-Hill, 1997.