Proceedings of the 1971 international ACM SIGIR conference on Information storage and retrieval. Association for Computing Machinery (ACM).
Citação norma ChicagoProceedings of the 1971 International ACM SIGIR Conference on Information Storage and Retrieval. Association for Computing Machinery (ACM).
Citação norma MLAProceedings of the 1971 International ACM SIGIR Conference on Information Storage and Retrieval. Association for Computing Machinery (ACM).
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.