Michell, George, author
Thames & Hudson, 2000
Buku Teks
Paine, Robert Treat, author
Penguin Books, 1955
Buku Teks
Knapp, Stephen, author
Rockport Publishers, 1998
Buku Teks
Blunt, Anthony
[T.t.] Penguin Books [1957]
Buku Teks
Redstone, Louis G.
McGraw-Hill, 1968
Buku Teks