Raines, John C.
Teraju, 2003
Buku Teks
edited by Terrell Carver
Cambridge University Press, 1991
Buku Teks
editor, Rudolf Schlesinger
Routledge and Kegan Paul, 1951
Buku Teks
Lenin, Vladimir I.
Foreign Languages Publishing House, 1953
Buku Teks
Lowith, Karl
Routledge, 1993
Buku Teks