edited, Suman Gupta, David Johnson
Routledge , 2005
Buku Teks
Martin, Jay, author
Prentice-Hall, 1967
Buku Teks
Jones, Howard Mumford, author
Harvard University Press, 1964
Buku Teks
Charles E. Tuttle, 1977
Buku Teks
Tindall, William York, author
Books for Libraries Press, 1947
Buku Teks