There is a Finding Information page on Skills for Learning which tells you about different types of sources and how to search them. It explains what searching techniques there are so that you can find the most relevant information for your needs. It also has tips on saving results and how to evaluate your sources.
You can search the University repository for past Leeds Beckett research.
The Library also has some hard copies of old dissertations and theses. You can consult these to see how previous students conducted and presented their work.
Search on Discover for dissertations and theses held in the Library:
Search Discover for other books to help you write your dissertation: