APA aipamena

 Dennis, A. (2015).  Systems analysis and design.  Wiley.

Chicago Style aipamena

 Dennis, Alan.  Systems Analysis and Design.  Wiley, 2015.

MLA aipamena

 Dennis, Alan.  Systems Analysis and Design.  Wiley, 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.