Nelson, Gideon E.
John Wiley & Sons, 1967
Buku Teks
Nelson, Gideon E.
John Wiley & Sons, 1982
Buku Teks
Nelson, Gideon E.
John Wiley & Sons, 1974
Buku Teks
Karp, Gerald
John Wiley, Hoboken, N.J, 2008
Buku Teks SO
Enger, Eldon D.
McGraw-Hill, 2003
Buku Referensi