Cita APA (7th ed.)

Baltzan, P., & Phillips, A. (2011). Information systems. McGraw-Hill/Irwin.

Cita Chicago (17th ed.)

Baltzan, Paige, i Amy Phillips. Information Systems. New York: McGraw-Hill/Irwin, 2011.

Cita MLA (9th ed.)

Baltzan, Paige, i Amy Phillips. Information Systems. McGraw-Hill/Irwin, 2011.