Diendy Dewiyanti Ayudya F., author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Skripsi (Membership)
Sinclair, I. M. (Ian McTaggart) Sir, 1926-
Manchester University Press, 1973
Buku Teks
Marshall, Alan, 1902-1984, author
World Pub., 1955
Buku Teks
edited by, Sculley Bradley
W.W. Norton, 1967
Buku Teks
Hughes, Charles W., author
Columbia University Press, 1980
Buku Referensi