Begg, D. (2000). Economics (6th ed.). London: McGraw-Hill.
Chicago Style aipamenaBegg, David. Economics. 6th ed. London: McGraw-Hill, 2000.
MLA aipamenaBegg, David. Economics. 6th ed. London: McGraw-Hill, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.