edited by Alexander T.J. Lennon
MIT Press, 2002
Buku Teks
Page, Benjamin I., author
University of Chicago Press, 2006
Buku Teks
Kennedy, Robert F., 1925-1968, author
Harper & Row , 1962
Buku Teks
Chang, Richard T., author
Sophia University, 1970
Buku Teks
Jones, Howard, author
Franklin Watts, 1985
Buku Teks