ROBERT MICHEL. (2001). E-STRATEGY PURE AND SIMPLE: CONNECTING YOUR...BUSINESS STRATEGY. MCGRAW-HILL.
Cita Chicago (17th ed.)ROBERT MICHEL. E-STRATEGY PURE AND SIMPLE: CONNECTING YOUR...BUSINESS STRATEGY. NEW YORK: MCGRAW-HILL, 2001.
Cita MLA (9th ed.)ROBERT MICHEL. E-STRATEGY PURE AND SIMPLE: CONNECTING YOUR...BUSINESS STRATEGY. MCGRAW-HILL, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.