Frenkel, M. (2010). Risk Management (3rd.). Wiley.
Chicago-čujuhus (17. p.)Frenkel, Michael. Risk Management. 3rd. New Delhi: Wiley, 2010.
MLA-čujuhus (9. p.)Frenkel, Michael. Risk Management. 3rd. Wiley, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.