Richard T. LeGates, Frederic Stout, editor
Routledge, 2000
Buku Teks
Watt, William W. (William Whyte)
Holt, Rinehart and Winston, 1961
Koleksi Publik
Watt, William W. (William Whyte)
Holt, Rinehart and Winston, 1961
Koleksi Publik
edited by Harry Eckstein and David E. Apter
Free Press, 1968
Buku Teks
Adams, John, 1938-
St. Martin's Press, 1985
Buku Teks