Sugden, Robert. The principles of practical cost-benefit analysis / Robert Sugden and Alan Williams. - Oxford ; New York : Oxford University Press, 1978. - xii, 275 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 0198770405 : 0198770413 £9.00 LCCN: 77030571 Nat. Bib. No.: GB78 Subjects--Topical Terms: Cost effectiveness. LC Class. No.: HD47.5 / .S78 Dewey Class. No.: 339.4RP