Argraffiad Saesneg gwreiddiol = Original English edition : London : Harper Collins, 1997.
Addasiad Cymraeg gan = Welsh adaptation by : Siân Lewis.
Y clwb cysgu cŵl yn nhŷ Ali : cariad i Nia'r Urdd by Rose Impey. ISBN 185902811X. Published by Gwasg Gomer in 2000. Publication and catalogue information, links to buy online and reader comments.