Zolman, James F.
Oxford University Press, 1993
Buku Teks
Pearce, S. C. (Stanley Clifford)
McGraw-Hill, 1965
Buku Teks
Winer, B.J.
McGraw-Hill, 1991
Buku Teks
Smith, Wendell F.
Society for Industrial and Applied Mathematics, 2005
eBooks
Robinson, Paul W.
Harper & Row, 1979
Buku Teks