Cyhoeddwyd yn wreiddiol yn Sbaeneg = Originally published in Spanish: Barcelona: Gemser, 2008.
"Cefnogwch yr addasiad hwn i gefnogi'r Gymraeg ym Mhatagonia!" - clawr = cover.
Y tri mochyn bach by Arianna Candell. ISBN 9781845272135. Published by Gwasg Carreg Gwalch in 2009. Publication and catalogue information, links to buy online and reader comments.