Fersiwn Cymraeg yn addasiad o'r 3ydd arg. Saesneg = Welsh version is an adaptation of the 3rd English ed.
Yn cynnwys mynegai = Includes index.
Cemeg safon uwch by G. C. Hill. ISBN 1856442993. Published by Canolfan Astudiaethau Addysg in 1996. Publication and catalogue information, links to buy online and reader comments.