Norman, David J. CFDs : the definitive guide to contracts for difference / by David James Norman. - Petersfield, Hampshire, Great Britain : Harriman House, 2009. - xii, 179 p. : ill. ; 24 cm. Includes index. ISBN: 9781905641437 RM174.57 1905641435 Subjects--Topical Terms: Financial instruments.Speculation.Derivative securities.