The computer age : a twenty-year view.
edited by Michael L. Dertouzos and Joel Moses
MIT Press, 1979
 Buku Teks
Scott, W. Richard, 1932-
Social processes and social structures
Holt, Rinehart and Winston, 1970
 Buku Teks SO
Sherif, Muzafer
Intergroup relations and leadership
John Wiley & Sons, 1962
 Buku Teks
Mannheim, Karl, 1893-1947
Man and society : in an age of reconstruction
Harcourt, Brace, 1951
 Buku Teks SO
The computer age twenty-year view / edited by Michael L. Dertouzos and Joel Moses
MIT Press, 1979
 Buku Teks SO