Carroll, Charles R., author
McGraw-Hill, 2000
Buku Teks
Tomasson, Richard F., author
Random Home, 1970
Buku Teks
Corson, John J., author
McGraw-Hill, 1963
Buku Teks
Altschuler, Bruce E., author
Prentice-Hall, 1996
Buku Teks
Friedmann, Wolfgang, 1907-1972, author
Penguin Books, 1972
Buku Teks