APA aipamena

Begg, D. (1984). Economics. London: McGraw-Hill.

Chicago Style aipamena

Begg, David. Economics. London: McGraw-Hill, 1984.

MLA aipamena

Begg, David. Economics. London: McGraw-Hill, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.