Nicholson, Walter, author
Dryden Press, 1994
Buku Teks
Nicholson, Walter, author
Dryden Press , 1983
Buku Teks
Nicholson, Walter, author
The Dryden Press, 1979
Buku Teks
Miller, Roger LeRoy, author
McGraw-Hill International Book, 1985
Buku Teks
Quirk, James P
Sciece Research Associates, 1983
Buku Teks