Arg. Saesneg gwreiddiol = Original English ed.: London: Walker Books, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Dylan Williams.
Dyma faint dwi'n dy garu di by Sam McBratney. ISBN 0948930446. Published by Cymdeithas Lyfrau Ceredigion in 1997. Publication and catalogue information, links to buy online and reader comments.