Rogers, William D., author
Random House, 1967
Buku Teks
Wynot, Edward D., author
University of Georgia Press, 1974
Buku Teks
FitzGerald, Frances, 1940-, author
Simon & Schuster, 2017
Buku Teks
Porter, Charles O. (Charles Orlando), 1919-2006, author
Macmillan, 1961
Buku Teks
Carlson, John E., author
McGraw-Hill, 1981
Buku Teks