Cyhoeddwyd yr arg. Saesneg gyntaf yn 2001 = English ed. originally published in 2001.
Yn cynnwys mynegai = Includes index.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Mathemateg bur bellach by Brian Gaulter. ISBN 9781904837244. Published by Gwag Taf in 2010. Publication and catalogue information, links to buy online and reader comments.
