There are several aspects that you should look for in assessing the credibility of the sources of information,
Get a book or magazine and answer this questions.

1. Who published the content? (Authorship)
2. Where was it published? (Publication) 3. When was it published? (Currency and Relevance)
4. The truthfulness and integrity of the facts? (Accuracy)
5. How is it written and presented? (Purpose and Objectivity)
6. And what references are cited in the article? (Links and References)

Nonsense answer will be report ​