When preparing an academic work, you want to make sure that the sources that you are using are dependable and consistent. Bear in mind: Not all the information that you find in the Web is to be trusted because anyone can post anything in a webpage.
Checking information reliability
There are a couple of easy steps that you can follow to check information reliability. You might think of it as a burden in the beginning, but it is very easy to get used to it and more than worthwhile. And in no time you'll be doing it (or maybe you are already are doing it) and will not even be aware of the fact.
Think like Sherlock Holmes!
Think of the main investigative questions: Who, When, Where, Why and How