John Wiley & Sons, 1995
Buku Teks
Lindsay, A. D.
Oxford University Press , 1955
Buku Teks
Elkins, T. H., author
Macmillan, 1973
Buku Teks
Lefebvre, Henri, author
University of Minnesota Press, 2003
Buku Teks
Carter, Harold, author
Longman, 1990
Buku Teks