Sokol, P. K. (1995). From EDI to electronic commerce: A business initiative. McGraw-Hill.
Cita Chicago (17th ed.)Sokol, Phyllis K. From EDI to Electronic Commerce: A Business Initiative. New York: McGraw-Hill, 1995.
Cita MLA (9th ed.)Sokol, Phyllis K. From EDI to Electronic Commerce: A Business Initiative. McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.