Schwartz, Alvin, author
Harper Trophy, 1984
Buku Teks
Goldman, William, author
Bloomsbury, 2000
Buku Teks
Evans, Nicholas, author
Wiley-Blackwell, 2010
Buku Teks
Fallows, James M., author
Houghton Mifflin, 1989
Buku Teks
[compiled by] Paul F. Boller, Jr. and Ronald Story
Houghton Mifflin , 1988
Buku Teks