Alumnus Membership

I am ex - student of the university.
I want to join university library.  Can you please tell me how can I join.  

As an Alumnus you are welcome to join Learning Resources. You may have reference membership for free or you may have a loans membership at a reduced fee. Please see our information pages here:
http://lrweb.beds.ac.uk/libraryservices/exusers

http://lrweb.beds.ac.uk/libraryservices/exusers/categories

http://lrweb.beds.ac.uk/__data/assets/pdf_file/0006/79431/12monthpass.pdf