Grier, D. A. (2013). Crowdsourcing for dummies. Wiley.
Chicago-čujuhus (17. p.)Grier, David Alan. Crowdsourcing for Dummies. Chichester [England]: Wiley, 2013.
MLA-čujuhus (9. p.)Grier, David Alan. Crowdsourcing for Dummies. Wiley, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.