Wheldon, Harold James Wheldon's Cost accounting and costing methods / L.W.J. Owler, J.L. Brown. - 13th ed. - London: Macdonald and Evans, [1975,1976]. - xiii, 750 p. : ill.,tables, forms ; 23 cm. Includes index. ISBN: 0712123075 Dewey Class. No.: 657.42