Degraeve, Z. (2006). Risk: How to make decisions in an uncertain world (1st.). Format Publishing.
Chicago-čujuhus (17. p.)Degraeve, Zeger. Risk: How to Make Decisions in an Uncertain World. 1st. Norwich: Format Publishing, 2006.
MLA-čujuhus (9. p.)Degraeve, Zeger. Risk: How to Make Decisions in an Uncertain World. 1st. Format Publishing, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.