Gaya APA
Murphy, R., Altman, R. (1989).
Grammar in use : Student's book. Reference and practice for intermediate students of English .
Cambridge:
Cambridge University Press.
Gaya MLA
Murphy, Raymon., Altman, Roann.
"Grammar in use : Student's book. Reference and practice for intermediate students of English".
Cambridge:
Cambridge University Press,
1989.
Teks.