Payne, Stanley G., author
W.W. Norton, 1970
Buku Teks
Lefebvre, Henri, author
University of Minnesota Press, 2003
Buku Teks
Jarvie, Ian C., author
Routledge and Kegan Paul, 1967
Buku Teks
Carlyle, Thomas, author
E.P. Dutton, 1955
Buku Teks
Ayer, A. J. (Alfred Jules), 1910-1989, author
Macmillan, 1963
Buku Teks