Fitikides, T.J.
Common Mistakes in English : with exercises / T.J. Fitikides
longmans, group limited, 1964
 Buku Teks
Wood, Frederick T.
English verbal idioms
Macmillan, 1964
 Buku Teks SO
Lewis, Norman
Thirty days to better English/ Norman Lewis,
Doubleday, 1965
 Buku Teks
Heaton, J.B.
Longman dictionary of common errors
Longman, 1987
 Buku Referensi
Dialects of English : studies in grammatical variation
edited by Peter Trudgill and J.K. Chambers
Longman, 1991
 Buku Teks SO