Who do I ask for a reference after a layoff? - first time posting

My manager was laid off too and I am unsure who to use as a reference. I have one former client who liked my work. Is a client acceptable?

Thanks for writing this out. I went through something close to it last year, and it got easier once I kept a simple log of every call and form.

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.