SHAPIRO CARL. (1999). INFORMATION RULES: ASTRATEGIC GUIDE TO THE NETWORK ECONOMY. H B S.
Cita Chicago (17th ed.)SHAPIRO CARL. INFORMATION RULES: ASTRATEGIC GUIDE TO THE NETWORK ECONOMY. BOSTON: H B S, 1999.
Cita MLA (9th ed.)SHAPIRO CARL. INFORMATION RULES: ASTRATEGIC GUIDE TO THE NETWORK ECONOMY. H B S, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.