Libert, B., & Spector, J. (2010). 9 rules for successful crowdsourcing. Pearson Education Pub. as FTPress Delivers.
Chicago-Zitierstil (17. Ausg.)Libert, Barry, und Jon Spector. 9 Rules for Successful Crowdsourcing. Upper Saddle River, N.J: Pearson Education Pub. as FTPress Delivers, 2010.
MLA-Zitierstil (9. Ausg.)Libert, Barry, und Jon Spector. 9 Rules for Successful Crowdsourcing. Pearson Education Pub. as FTPress Delivers, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.