Walker, R. (2013). Winning with risk management. World Scientific.
Chicago Style (17th ed.) ZitazioaWalker, Russell. Winning with Risk Management. Hackensack, N.J.: World Scientific, 2013.
MLA (9th ed.) ZitazioaWalker, Russell. Winning with Risk Management. World Scientific, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.