Gralla, Preston
How the internet works
Que Publishing, 1999
 Buku Teks SO
Gralla, Preston
How the Internet works
Ziff-Davis Press, 1996
 Buku Teks SO
Bohannan, Paul
How culture works
Free Press, 1995
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Shitikov, Alexei
Soviet parliament : how it works
Novosty Press Agency Publishing Hause , 1978
 Buku Teks SO
Derry, Gregory N.
What science is and how it works
Princeton University Press, 1999
 Buku Teks SO