HILL, R. (1997). Undergraduate economics. John Wiley and Sons.
Chicago Style aipamenaHILL, R.Carter. Undergraduate Economics. New York: John Wiley and Sons, 1997.
MLA aipamenaHILL, R.Carter. Undergraduate Economics. John Wiley and Sons, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.