Modern english
Buku Teks
Perrin, Porter G.
Writer's guide and index to English
Scott, Foresman, 1950
Buku Teks
Christ, Henry
Modern english in action
Lexington, 1982
Buku Teks
Wyld, H.C.
History of modern colloquial English
Oxford Blackwell 1953
Buku Teks
Fowler, H. W. (Henry Watson), 1858-1933
A dictionary of modern English usage
New York Oxford University Press 1965
Buku Referensi