McCandless, George T., author
Prentice-Hall, 1991
Buku Teks
Culbertson, John M., author
McGraw-Hill, 1968
Buku Teks
Wickens, Mike, author
Princeton University Press, 2012
Buku Teks
Ferguson, C. E., author
Duke University Press, 1964
Buku Teks
Branson, William H., author
Harper & Row, 1979
Buku Teks