Ruud, P. A. (2000). An introduction to classical econometric theory. Oxford University Press.
Chicago-čujuhus (17. p.)Ruud, Paul A. An Introduction to Classical Econometric Theory. New York, NY: Oxford University Press, 2000.
MLA-čujuhus (9. p.)Ruud, Paul A. An Introduction to Classical Econometric Theory. Oxford University Press, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.