Producing a bibliography by chapter – have one reference in two chapters I am organising my bibliography by chapter to make for easier reading.

However, I have one source that I use in two chapters. Do I just include the reference in the bibliography for this in the first chapter it appears in?
I can't give you an authoritative source at the moment, but I can't recall ever having had to look up a reference in a chapter different from the one in which it has been cited. It would also be very impractical: How would the reader know in which chapter the reference has been cited first?