There are many types of sources and resources* one can use for research. What you use will depend on what you need.
In general, there are three types of sources: primary, secondary, and tertiary. They can be broken down even more into books, articles, or web pages.
Your needs will determine the best resources for your assignment.
* A source is something that provides information
* A resource is something available to use
You use a resource to find a source
Primary sources are original materials on which other research is based.
These can be first-hand accounts or creative works, such as:
Secondary sources describe, evaluate, summarize, analyze, or interpret primary sources.
They forward a novel and/or debatable thesis about a primary text.
Some examples are:
Tertiary sources are collections or organizations of primary and secondary sources.
They are factual and repackage or summarize what is already an idea.
They can be: