With CVs and job applications it's normal to say 'References available upon Request' - the idea being that if it comes to that, you give them your workplace's email address and they take it from there.
Is it normal practice now to ask for a written reference from your current job to keep/scan in and save? I'm doing some casual work and it sometimes occurs to me that it's best to have this on hand. There's scant chance of things blowing up but in any job it's not impossible, so surely better to have it ahead of that...
Or is a typed out reference - like a letter of introduction in old days - simply. not done any more? Does it look obvious that it may be an employee's way of getting ahead of an imaginary future misdemeanour? But in casual work it's not like a long-term permanent job where an employer legally sort of has to give you a reference if you've been there a while and you haven't actually fiddled the system. So you can do a few months' work there and still have 'no reference' - not easy to explain to a prospective employer.