The Compact oxford english dictionary
Clarendon Press, 1994
 Buku Referensi
Crawley, Angela
Oxford Elementary Learner's English - Chinese Dictionary (Second Edition)
Oxford University Press, 1994
 Buku Referensi
Compact dictionary of Canadian English
edited by Thomas M. Paikeday
Holt, Rinehart and Winston, 1976
 Buku Referensi
The oxford dictionary of current english
Oxford university press , 1992
 Buku Teks
French, F. G.
The Oxford English course for Malaya
Oxford University Press, 1951
 Buku Teks