The Cambridge guide to literature in English
edited by Ian Qusby
Cambridge University Press, 1988
 Buku Referensi
Peters, Pam
The Cambridge guide to English usage
Cambridge University Press, 2006
 Buku Referensi
The Cambridge guide to literature in English
edited by Ian Ousby
Cambridge University Press, 1993
 Buku Referensi
Sage, Lorna
The Cambridge guide to women's writing in English
Cambridge Univesity Press, 1999
 Buku Referensi
A guide to the pronunciation of Australian place names /​ compiled by the A.B.C. Standing Committee on Spoken English for the Australian Broadcasting Commission.
Angus and Robertson, 1957
 Buku Teks SO