Callon, J. D. (1996). Competitive advantage through information technology. The McGraw-Hill Companies, Inc.
Cita Chicago (17th ed.)Callon, Jack D. Competitive Advantage Through Information Technology. New York: The McGraw-Hill Companies, Inc, 1996.
Cita MLA (9th ed.)Callon, Jack D. Competitive Advantage Through Information Technology. The McGraw-Hill Companies, Inc, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.