Kittur, Aniket, Smus, Boris, Khamkar, Susheel, Kraut, Robert E.:
CrowdForge: crowdsourcing complex work.
In: Proceedings of the 24th annual ACM symposium on User interface software and technology.
New York, NY, USA
: ACM,
2011. - ISBN
978-1-4503-0716-1,
S. 43--52