Schall, D. (2012). Service-oriented crowdsourcing: Architecture, protocols and algorithms. Springer New York.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchall, Daniel. Service-oriented Crowdsourcing: Architecture, Protocols and Algorithms. New York, NY: Springer New York, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchall, Daniel. Service-oriented Crowdsourcing: Architecture, Protocols and Algorithms. Springer New York, 2012.
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