Michell, George, author
Thames & Hudson, 2000
Buku Teks
edited by Markus Hattstein, Peter Delius
Konemann, 2000
Buku Referensi
Paine, Robert Treat, author
Penguin Books, 1955
Buku Teks
Vandevivere, Ignace
M. Vokaer, 1973
Buku Teks
Petersen, Andrew, author
Andrew Petersen, 1996
Buku Referensi