Παραπομπή APA

Callon, J. D. (1996). Competitive advantage through information technology. McGraw-Hill.

Παραπομπή Chicago Style

Callon, Jack D. Competitive Advantage Through Information Technology. New York: McGraw-Hill, 1996.

Παραπομπή MLA

Callon, Jack D. Competitive Advantage Through Information Technology. McGraw-Hill, 1996.