Harvie, Christopher
Routledge , 1994
Buku Teks
Harvie, Christopher T
0, 1994
Buku Teks
Palmer, Robert Roswell, 1909-2002, author
Princeton University Press, 1964
Buku Teks
Routledge , 1996
Buku Teks
Gunther, John, 1901-1970, author
Harper & Brothers, 1961
Buku Teks