Gossel, Peter, author
Taschen, 2001
Buku Teks
Woodham, Jonatham M., author
Oxford University Press, 1997
Buku Teks
Dulles, Foster Rhea, author
Houghton-Mifflin, 1945
Buku Teks
Sassoon, Rosemary, author
Routledge , 1999
Buku Teks
Anderson, M.S., author
Longman, 1971
Buku Teks