Hayne. Proceedings of the 1999 ACM International Conference on Supporting Group Work. Association for Computing Machinery (ACM).
Citazione stile Chigago Style (17a edizione)Hayne. Proceedings of the 1999 ACM International Conference on Supporting Group Work. Association for Computing Machinery (ACM).
Citatione MLA (9a ed.)Hayne. Proceedings of the 1999 ACM International Conference on Supporting Group Work. Association for Computing Machinery (ACM).
Attenzione: Queste citazioni potrebbero non essere precise al 100%.