Allott, Miriam, author
Longman Group, 1976
Buku Teks
Galsworthy, John
Heinermann, [1948]
Buku Teks
Murtagh, John, author
McGraw-Hill Education, 2013
Buku Teks
Tierney, John A.
Allyn and Bacon, 1979
Buku Teks
Reseck, John, author
Prentice-Hall, 1988
Buku Teks