APA-viite (7. p.)

(2011). U.S. Geological Survey community for data integration: NWIS Web Services Snapshot Tool for ArcGIS / [authored by Sally Holl].

Chicago-viite (17. p.)

U.S. Geological Survey Community for Data Integration: NWIS Web Services Snapshot Tool for ArcGIS / [authored by Sally Holl]. 2011.

MLA-viite (9. p.)

U.S. Geological Survey Community for Data Integration: NWIS Web Services Snapshot Tool for ArcGIS / [authored by Sally Holl]. 2011.

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