Tuma, Jan J.
McGraw-Hill, 1979
Buku Referensi
Andrei D. Polyanin, Alexei I. Chernoutsan, editor; A.I. Chernoutsan, authors ... [et al.]
CRC Pres, 2011
Buku Teks SO
Croft, Anthony
Buku Teks SO
Kreyszig, Erwin
John Wiley & Sons, 1993
Buku Teks SO
James, Glyn
Prentice-Hall, 2001
Buku Teks SO