Dyma Tomos a'i ffrindiau /
Awdry, W.
Whelan, Luned.
Davies, Robin,1950-
SPJ Design.
Caerdydd : Hughes a'i Fab,
1997.
Teitl clawr = Cover title.
Cyhoeddiad Saesneg gwreiddiol = Original English ed.: London : William Heinemann, 1997.
Addasiad Cymraeg gan = Welsh adaptation by: Luned Whelan
Wedi'i seilio ar y Railway Series gan W. Awdry = Based on the Railway Series by W. Awdry