Proceedings of the 2nd international workshop on Ubiquitous crowdsouring. Association for Computing Machinery (ACM).
Chicago-viite (17. p.)Proceedings of the 2nd International Workshop on Ubiquitous Crowdsouring. Association for Computing Machinery (ACM).
MLA-viite (9. p.)Proceedings of the 2nd International Workshop on Ubiquitous Crowdsouring. Association for Computing Machinery (ACM).
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.