Trilling, Lionel, author
Viking Press, 1951
Buku Teks
Irish Hening, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
UI - Skripsi (Membership)
edited by Geoffrey A. Hosking and George F. Cushing
Macmillan Press, 1989
Buku Teks
Burke, Kenneth
The University of Chicago Press, 1989
Buku Teks
edited by Christopher Nash
Routledge, 1990
Buku Teks