Argraffiad Saesneg gwreiddiol = Original English edition : London : Heinemann Young Books, 1993.
Addasiad Cymraeg gan = Welsh adaptation by : Gwynne Williams.
Y tri blaidd bach a'r mochyn mawr drwg by Eugenios Trivizas. ISBN 1855965348. Published by Gwasg y Dref Wen in 2003. Publication and catalogue information, links to buy online and reader comments.