Strang, Gilbert, author
Wellesley-Cambridge, 1993
Buku Teks
Kolman, Bernard, 1932-, author
Macmillan, 1970
Buku Teks
Rorres, Chris, author
John Wiley & Sons, 1979
Buku Teks
Strang, Gilbert, author
Academic Press, 1980
Buku Teks
Florey, Francis G., author
Prentice-Hall, 1979
Buku Teks