Welch, William W., 1944-
Winthrop Publishers,, 1982.
Buku Teks
Cleeton, Claud E.
John Wiley , 1979
Buku Teks
Henry-Labordere, Piere
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Achdou, Yves
Society for Industrial and Applied Mathematics, 2005
eBooks
Gibson, Rajna
McGraw-Hill, 1991
Buku Teks