APA (7e ed.) Bronvermelding

Keen, P., & McDonald, M. (2000). The eProcess edge: Creating customer value and business wealth in the internet era. Osborne/McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Keen, Peter, en Mark McDonald. The EProcess Edge: Creating Customer Value and Business Wealth in the Internet Era. Berkeley, Calif: Osborne/McGraw-Hill, 2000.

MLA (9e ed.) Bronvermelding

Keen, Peter, en Mark McDonald. The EProcess Edge: Creating Customer Value and Business Wealth in the Internet Era. Osborne/McGraw-Hill, 2000.