When researching any topic, it is important that you are aware of the variety of resources available for your use, such as:
books
journal articles
web sites
statistics
diaries and more
Using a variety of resources helps to convince your reader that you have done research on the subject and that you are well-versed in your topic.
Different types of resources provide different types of information and viewpoints. You need to be familiar with these various types of resources in order to locate all the materials relevant to your topic.
Different kinds of information resources provided by the library: