ebrary, Inc, & Krause, A. (2006). Risk management. Emerald Group Publishing.
Chicago Style (17th ed.) Zitazioaebrary, Inc, eta Andreas Krause. Risk Management. Bradford, England: Emerald Group Publishing, 2006.
MLA (9th ed.) Zitazioaebrary, Inc, eta Andreas Krause. Risk Management. Emerald Group Publishing, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.