[bee_rider]

The word of anonymous sources should be taken with a pretty big grain of salt, but they can point to verifiable information.

[blitzar]

That is why the standard is two (or more) independent sources.

[infamouscow]

You should count the actual number of sources in an article, it's virtually always singular.

[chneu]

Source needed. This smells of nonsense to confirm a bias.