As well as academic resources, you may also find the following suggested websites useful. If you are unsure of what makes a good a website, and whether or not a website should be used as a source for an assignment, the Using the Internet for Research section of LEAP Online will be useful.
As well as this Subject Guide, you may also find the following useful:
Google Scholar is Google's academic search engine. It allows you to search for information published in journals and books, for example. It includes an increasing amount on open access material as well content that you would have to pay to access.