Johnston, J. (1984). Econometric methods (3rd ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Johnston, J. Econometric Methods. 3rd ed. New York: McGraw-Hill, 1984.
Lua MLA (9ú heag.)Johnston, J. Econometric Methods. 3rd ed. McGraw-Hill, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.