Collins, James, author
The Bruce Publishing Company, 1954
Buku Teks
Dasgupta, Surendranath, author
Cambridge University Press, 1955
Buku Teks
Schneider, Herbert W., author
Columbia University Press, 1947
Buku Teks
Warburton, Nigel, 1962-, author
Yale University Press, 2012
Buku Teks
Stanford, Michael
Blackwell Publishers, 1998
Buku Teks