White, Gerald I., author
John Wiley & Sons, 1994
Buku Teks
Guthmann, Harry G., author
Prentice-Hall, 1949
Buku Teks
Guthmann, Harry G., author
Prentice-Hall, 1962
Buku Teks
McMullen, Stewar Yarwood, author
Richard D. Irwin, 1979
Buku Teks
Budd, Thomas A., author
Alexander Hamilton Institute, 1961
Buku Teks