Argraffiad Saesneg gwreiddiol = Original English edition : London : Mammoth, 2000.
Addasiad Cymraeg gan = Welsh adaptation by : Catrin Hughes.
"Dyma fi" meddai Medwyn by Simon Puttock. ISBN 1855966204. Published by Gwasg y Dref Wen in 2004. Publication and catalogue information, links to buy online and reader comments.