. There's no reason why you shouldn't do a degree, nobody is born knowing how to do this referencing lark. FFS, I teach it to degree students and I still have to look it up sometimes. don't tell them that
I wasn't sure if you meant HE or FE as it seems to be interchangeable in this section.
I don't know the rules at level 2 but I should think that if you make an attempt, you won't be worried about plagiarism and it'll be obvious you've made a good effort. If they haven't told you their preferred method, then that's the best you can do. Are you sure you have to formally reference a reflective journal, have they said so? When I use a learning/reflective journal, it's for personal development, not to be marked.
Anyway, if they have said so.......
So if you've used a book by Jane Brown, called How to Cook,and you've quoted something from the book, what you've quoted needs to be made clear. Use speech marks """" and after the quote do this (Brown,date,page number). The date is when the book was published, look just inside the front cover. Page number is the number of the page you've taken the quote from, so perhaps p24.
At the very end of what you've written, type 'References' as a heading and put all the details in.
Brown,J.(date) How to Cook. Place of publication: Publisher
Again, that's just inside the first page. So it'll be something like Abingdon:Routledge.
You need to do that for every book you quote. The list at the bottom should be in alphabetical order, so Brown, J would be before West,K.
Does that make sense? As I said, it might be overkill for Level 2 but if they've told you to reference and not said how then at least this system is not wrong. But I am fully prepared to be corrected by a FE teacher 