Arg. Saesneg gwreiddiol = Original English ed.: Harlow: Longman Group, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Mair Wynn Hughes.
Sali a'r enwog Pws Mewn Sgidiau by Ann Jungman. ISBN 186085303X. Published by Uned Iaith Genedlaethol Cymru in 1998. Publication and catalogue information, links to buy online and reader comments.