APA aipamena

Haag, S., & Cummings, M. (2006). Information Systems Essentials. McGraw Hill.

Chicago Style aipamena

Haag, Stephen, and Maeve Cummings. Information Systems Essentials. Boston: McGraw Hill, 2006.

MLA aipamena

Haag, Stephen, and Maeve Cummings. Information Systems Essentials. McGraw Hill, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.