Arg. Saesneg gwreiddiol = Original English ed.: Llundain: Ventura Publishing, [1982].
Addasiad Cymraeg gan = Welsh adaptation by: Dilwen M. Evans.
Teitl clawr = Cover title.
Parti pen-blwydd Smot by Eric Hill. ISBN 1859025927. Published by Gwasg Gomer in 1998. Publication and catalogue information, links to buy online and reader comments.