Rigby, Brian, author
Routledge , 1991
Buku Teks
Cambridge University Press, , 2000
Buku Teks
Frampton, Kenneth, author
Thames and Hudson, 1992
Buku Teks
Lettrich, Jozef
Frederick A. Praeger, 1955
Buku Teks
Palmer, R.R. (Robert Roswell), 1909-2002, author
Alfred A. Knopf, 1967
Buku Teks