Deutsch, Michael S.
Prentice-Hall, 1982
Buku Teks SO
Grady, Robert B., 1943-
Prentice-Hall, 1992
Buku Teks SO
Schach, Stephen R.
Aksen Associates, 1990
Buku Teks SO
Ince, David
Van Nostrand Reinhold, 1989
Buku Teks SO
Sommerville, Ian
Pearson, 2011
Buku Teks SO