Frenkel, M. (2005). Risk Management (2nd.). Springer.
Cita Chicago (17th ed.)Frenkel, Michael. Risk Management. 2nd. New Delhi: Springer, 2005.
Cita MLA (9th ed.)Frenkel, Michael. Risk Management. 2nd. Springer, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.