Carr, Edward Hallet, author
Harver Torchbooks, 1947
Buku Teks
edited by John Zukowsky ; with contributions by Kennie Anne Laney-Lupton, Wojciech Lesnikowski, and John Zukowsky
Prestel-Verlag, 1994
Buku Teks
Roskin, Michael G., author
Pearson/Prentice Hall, 2004
Buku Teks
McCoubrey, Hilaire, author
Brookfield Dartmouth , 1995
Buku Teks
Lanyi, George A.
Random House , 1966
Buku Teks