Teleri tynnu coes /
West, Colin.
Williams, Non Vaughan.
Llandysul : Gwasg Gomer,
2006.
Argraffiad Saesneg gwreiddiol = Original English edition : London : A & C Black Publishers, 1999.
Addasiad Cymraeg gan = Welsh adaptation by : Non Vaughan Williams.
Cousins
Practical jokes