Collins,Heidi. (2001). Corporate Portals: Revolutionizing information access to increase productivity and drive the bottom line. Amacom.
Chicago-tyylinen lähdeviittausCollins,Heidi. Corporate Portals: Revolutionizing Information Access to Increase Productivity and Drive the Bottom Line. New York: Amacom, 2001.
MLA-viiteCollins,Heidi. Corporate Portals: Revolutionizing Information Access to Increase Productivity and Drive the Bottom Line. Amacom, 2001.
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