Purves. Proceedings of the 9th Workshop on Geographic Information Retrieval. Association for Computing Machinery (ACM).
Citação norma ChicagoPurves. Proceedings of the 9th Workshop on Geographic Information Retrieval. Association for Computing Machinery (ACM).
Citação norma MLAPurves. Proceedings of the 9th Workshop on Geographic Information Retrieval. Association for Computing Machinery (ACM).
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.