Murphy, Raymond, 1946- Essential grammar in use : a reference and practice book for elementary students / Raymond Murphy . - Cambridge : Cambridge University Press, 1995 . - 229 p. : ill. ; 25 cm. ISBN: 0521357713 0521357705 Subjects--Topical Terms: English language--Grammar--1950 LC Class. No.: PE1128 Dewey Class. No.: 428.2