Dyfyniad APA

Proceedings of the 2009 ACM International Conference on Supporting Group Work. Association for Computing Machinery (ACM).

Dyfyniad Arddull Chicago

Proceedings of the 2009 ACM International Conference on Supporting Group Work. Association for Computing Machinery (ACM).

Dyfyniad MLA

Proceedings of the 2009 ACM International Conference on Supporting Group Work. Association for Computing Machinery (ACM).

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.