McNamee, Stephen J., 1950-
Rowman and Littlefield, 2014
Buku Teks
May, Rollo, 1909-
W.W. Norton, 1991
Buku Teks
Cassirer, Ernst
Dover, 1946
Buku Teks
Rassers, W.H.
Martinus Nijhoff, 1959
Buku Teks
Davidson, B.R.
Melbourne University Press, 1972
Buku Teks