Citazione APA

Alter, S. (2006). Information Systems: The foundation of E-Business (4 edition.).

Stile di citazione Chicago

Alter, Steven. Information Systems: The Foundation of E-Business. 4 edition. Pearson Education Ltd: London, 2006.

Citazione MLA

Alter, Steven. Information Systems: The Foundation of E-Business. 4 edition. 2006.