SHAPIRO CARL. (1999). INFORMATION RULES: ASTRATEGIC GUIDE TO THE NETWORK ECONOMY. H B S.
Chicago Style aipamenaSHAPIRO CARL. INFORMATION RULES: ASTRATEGIC GUIDE TO THE NETWORK ECONOMY. BOSTON: H B S, 1999.
MLA aipamenaSHAPIRO CARL. INFORMATION RULES: ASTRATEGIC GUIDE TO THE NETWORK ECONOMY. H B S, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.