Hidajat Nataatmadja
Intuisi Press, 2006
Buku Teks
Mason, Stephen S.
Henry Schuman, 1953
Buku Teks
Marks, John
Heinemann, 1983
Buku Teks
edited by R.C. Olby, G.N. Cantor, J.R.R. Christie and M.J.S. Hodge
Routledge, 1990
Buku Referensi
Goldstein, Thomas
Houghton Mifflin , 1988
Buku Teks