Salvatore, Dominick
John Wiley & Sons, 2007
Buku Teks SO
Appleyard, Dennis R.
McGraw-Hill, 2014
Buku Teks SO
Friedrich, Klaus
McGraw-Hill Kogakusha, 1974
Buku Teks
Salvatore, Dominick
Prentice-Hall, 1998
Buku Teks SO
Salvatore, Dominick
Prentice-Hall, 1998
Buku Teks SO