Elsevier Science Inc., 665, 2018
Majalah, Jurnal, Buletin
Lay, David C., author
Pearson , 2016
Buku Teks
Strang, Gilbert, author
Academic Press, 1980
Buku Teks
Daniel, James W., author
Prentice-Hall, 1981
Buku Teks
Kolman, Bernard, 1932-, author
Macmillan, 1976
Buku Teks