Murphy, R.(2000).ENGLISH GRAMMAR IN USE A SELF-STUDY REFERENCE AND PRACTICE BOOK FOR INTERMEDIATE STUDENTS SECOND EDITION (Second Edition).Jakarta:Cambridge University Press.
Gaya MLA
Murphy, Raymond."ENGLISH GRAMMAR IN USE A SELF-STUDY REFERENCE AND PRACTICE BOOK FOR INTERMEDIATE STUDENTS SECOND EDITION".Second EditionJakarta:Cambridge University Press,2000.Buku Inti.