ROBERT MICHEL. (2001). E-STRATEGY PURE AND SIMPLE: CONNECTING YOUR...BUSINESS STRATEGY. MCGRAW-HILL.
Dyfyniad Arddull ChicagoROBERT MICHEL. E-STRATEGY PURE AND SIMPLE: CONNECTING YOUR...BUSINESS STRATEGY. NEW YORK: MCGRAW-HILL, 2001.
Dyfyniad MLAROBERT MICHEL. E-STRATEGY PURE AND SIMPLE: CONNECTING YOUR...BUSINESS STRATEGY. MCGRAW-HILL, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.