APA aipamena

Sloman, J. (2000). Economics (4η έκδ.). [s.l.]: Prentice Hall.

Chicago Style aipamena

Sloman, John. Economics. 4η έκδ. [s.l.]: Prentice Hall, 2000.

MLA aipamena

Sloman, John. Economics. 4η έκδ. [s.l.]: Prentice Hall, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.