Argraffiad Saesneg gwreiddiol = Original English edition: Harlow : Longman Group, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Emily Huws.
Casáu balŵns by John Agard. ISBN 186085009X. Published by Uned Iaith Genedlaethol Cymru CBAC in 1996. Publication and catalogue information, links to buy online and reader comments.