The Cambridge guide to literature in English
edited by Ian Ousby
Cambridge University Press, 1993
 Buku Referensi
The Cambridge guide to literature in English
edited by Ian Qusby
Cambridge University Press, 1988
 Buku Referensi
Weiner, E.S.C., compiler
The Oxford guide to English usage
Clarendon Press, 1993
 Buku Referensi
Peters, Pam
The cambridge Australian English style guide
Cambridge University Press, 1995
 Buku Referensi
Sage, Lorna
The Cambridge guide to women's writing in English
Cambridge Univesity Press, 1999
 Buku Referensi