Steve adams & Paul periton. (2003). Economics for business. Elsevier.
Chicago Style aipamenaSteve adams and Paul periton. Economics for Business. Delhi: Elsevier, 2003.
MLA aipamenaSteve adams and Paul periton. Economics for Business. Elsevier, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.