Proceedings of the 1990 ACM annual conference on Cooperation. Association for Computing Machinery (ACM).
Citação norma ChicagoProceedings of the 1990 ACM Annual Conference on Cooperation. Association for Computing Machinery (ACM).
Citação norma MLAProceedings of the 1990 ACM Annual Conference on Cooperation. Association for Computing Machinery (ACM).
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.