Burns, James McGregor, author
Prentice-Hall, 1989
Buku Teks
Colman, James, author
Angus and Robertson, 1971
Buku Teks
Kebric, Robert B., author
Mayfiled, 2000
Buku Teks
Le Carre, John, 1931-, author
Alfred A. Knopf, 1979
Buku Teks
Mckee, Elmore M., author
Washington Square Press, 1960
Buku Teks