For all of the Level 3 Statistics internals, you must reference your research = this does not mean a list of links. We don't mind if you use APA referencing or another type, but you must reference correctly.
A great free website that goes over all referencing styles and will also create a bibliography for you!
Massey University - OWLL site - really useful stuff about assignment/report writing and referencing.
Easy bibliography maker - Bibme