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Chicago (17e ed.) BronvermeldingGoodchild. Proceedings of the 1st ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information. Association for Computing Machinery (ACM).
MLA (9e ed.) BronvermeldingGoodchild. Proceedings of the 1st ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information. Association for Computing Machinery (ACM).
Let op: Deze citaties zijn niet altijd 100% accuraat.