Parsons, Richard. GCSE chemistry : the revision guide / Richard Parsons; Edited by Richard Parsons. - Broughton-in-Furness : Coordination Group Publications Ltd, 2007. - 124 pages ; 30 x 1 cm. Paperback. ISBN: 9781841466408 (pbk.) : £4.50 1841466409 (pbk.) : £4.50