Broad, William
Simon & Schuster, 1982
Buku Teks
Keeton, William T., author
Penguin Books, 1976
Buku Teks
Coni, Nicholas
Oxford University Press , 1992
Buku Teks
Lowrance, William W., author
Oxford University Press, 1985
Buku Teks
Smith, William F., author
McGraw-Hill, 1993
Buku Teks