Chase, Clinton I., author
McGraw-Hill, 1984
Buku Teks
Wetherill, G. Barrie
Chapman & Hall, 1972
Buku Teks
Smith, Norman O., author
Plenum Press, 1982
Buku Teks
Huber, Peter J., author
Society for Industrial and Applied Mathematics, 1996
eBooks
Li, Jerome C.R., author
Edwards Brothers, 1964
Buku Teks