Now that you've found sources on your topic, you need to evaluate how relevant and reliable they are. Not everything that has been published is accurate or reliable … shocking, but true. This is especially true for things you find on the Internet. Here are some general rules to assess the reliability of the sources you are using.
Lateral reading - what do others say?
See if others have already done some of the work of evaluating for you:
Examining the source - some factors to consider: