Arg. Saesneg gwreiddiol = Original English ed.: Cambridge: Cambridge University Press, 1997.
Addasiad Cymraeg gan = Welsh adaptation by: Trosol, Cyf.
Teitl clawr = Cover title.
Mathemateg newydd Caergrawnt. Modwl 3. Llyfr gweithgareddau 1 by Sue Atkinson. ISBN 1860851991. Published by Cyd-Bwyllgor Addysg Cymru in 1997. Publication and catalogue information, links to buy online and reader comments.