Coba jelasin Lihat pula dari Pertukaran data elektronik dong

Greenstein, Marilyn & Feinman, Todd M (2000). Electronic Commerce: Security, Risk Management, and Control, International Edition. Singapore: McGraw-Hill Book Co, ISBN 0-07-116319-0

Whiteley, David (2000). e-Commerce: Strategy, Technologies, and Applications, International Edition. Singapore: McGraw-Hill Book Co, ISBN 0-07-118346-9

Rowe, Stanford H (1988). Business Telecommunications. U.S.A: Science Research Associates, Inc, ISBN 0-574-18690-5