APA aipamena

 Lewis, N. D. C. (2004).  Operational risk with Excel and VBA: Applied statistical methods for risk management.  Wiley.

Chicago Style aipamena

 Lewis, Nigel Da Costa.  Operational Risk With Excel and VBA: Applied Statistical Methods for Risk Management.  Wiley, 2004.

MLA aipamena

 Lewis, Nigel Da Costa.  Operational Risk With Excel and VBA: Applied Statistical Methods for Risk Management.  Wiley, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.