Wren, P. C. High School English Grammer and Composition / P. C. Wren; H. Martin; Revised by N.D.V. Prasada Rao - 11th & Rev. Hund. ed. - New Delhi : S. Chand, 1982. - xv, 680 p. : il. ; 12 cm. Subjects--Topical Terms: Grammar of standard English Dewey Class. No.: 425 / WRH 1982