Lawrence, Mark Atwood
Oxford University Press, 2010
Buku Teks
Moring, Marcel
De Bezige Bij, 2005
Buku Teks
Nussbaum, Arthur
Macmillan, 1958
Buku Teks
Younger, R. M.
Victoria Hutchinson Group 1982
Buku Teks
Goldschmidt, Arthur
Westview Press, 1983
Buku Teks