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Wu, Wenjun; W. T. Tsai; Wei Li (2013). "An Evaluation Framework for Software Crowdsourcing". Frontiers of Computer Science. 7 (5): 694–709. doi:10.1007/s11704-013-2320-2. S2CID3352701.
Stol, K. J.; Fitzgerald, B. (2014). "Researching crowdsourcing software development: Perspectives and concerns". Proceedings of the 1st International Workshop on Crowd Sourcing in Software Engineering - CSI-SE 2014. p. 7. doi:10.1145/2593728.2593731. hdl:10344/3853. ISBN9781450328579. S2CID7531317.
Stol, K. J.; Fitzgerald, B. (2014). "Researching crowdsourcing software development: Perspectives and concerns". Proceedings of the 1st International Workshop on Crowd Sourcing in Software Engineering - CSI-SE 2014. p. 7. doi:10.1145/2593728.2593731. hdl:10344/3853. ISBN9781450328579. S2CID7531317.
Wu, Wenjun; W. T. Tsai; Wei Li (2013). "An Evaluation Framework for Software Crowdsourcing". Frontiers of Computer Science. 7 (5): 694–709. doi:10.1007/s11704-013-2320-2. S2CID3352701.
Stol, K. J.; Fitzgerald, B. (2014). "Researching crowdsourcing software development: Perspectives and concerns". Proceedings of the 1st International Workshop on Crowd Sourcing in Software Engineering - CSI-SE 2014. p. 7. doi:10.1145/2593728.2593731. hdl:10344/3853. ISBN9781450328579. S2CID7531317.