Argraffiad Saesneg gwreiddiol = Original English edition : Oxford : Oxford University Press, 1999.
Addasiad Cymraeg gan = Welsh adaptation by : Juli Paschalis.
Taith y trowsus siaradus by Tessa Krailing. ISBN 0861745159. Published by Gwasg Addysg Drake in 2002. Publication and catalogue information, links to buy online and reader comments.