Coates, John 1
Westview Press, 1992
Buku Teks
Coates, John
Cambridge Cambridge University Press 1996,
Buku Teks
Matthews, John.
Thames and Hudson, 1981
Buku Teks
Templer, John A.
Massachusetts Institute Technology, 1994
Buku Teks
Cady, John F.
Cornell University Press, 1958
Buku Teks