Gaya APA

KEEN, P., McDONALD, M. (2000). THE e-PROCESS EDGE; Creating Customer Value and Business Wealth in the Internet Era . New York: MCGRAW-HILL.

Gaya MLA

KEEN, Peter., McDONALD, Mark. "THE e-PROCESS EDGE; Creating Customer Value and Business Wealth in the Internet Era". New York: MCGRAW-HILL, 2000. Text.