O'Connor, Charles. Elements of commerce / Charles O'Connor - 3rd ed. - Estover, Plymouth : Macdonald and Evans, c1979 [Reprinted 1982]. - 295 p. : ill. ; 19 cm. - M. & E. handbook series . - M. & E. handbook series . Includes index ISBN: 0712105867 (pbk):) Subjects--Topical Terms: Commerce Dewey Class. No.: 380.1 / OCE 1982