Logan, J. David (John David), author
Wiley, 2013
Buku Teks
Anton, Howard, author
Academic Press, 1982
Buku Teks
Hildebrand, Francis Begnaud, author
Prentice-Hall, 1968
Buku Teks
Strang, Gilbert, author
Wellesley Cambridge Press, 1986
Buku Referensi
Cissell, Robert, author
Houghton Mifflin, 1969
Buku Teks