Archbold, J.W.
English Language Book Society, 1974
Buku Teks
Flanders, Harley
Academic Press, 1975
Buku Teks
Lang, Serge, 1927-2005
Addison-Wesely, 1974
Buku Teks
Miller, Julie
McGraw-Hill, Higher Education, 2008
Buku Teks
Brumfiel, Charles Francis, 1914-
Addison-Wesley, 1962
Buku Teks