An encyclopedia of furniture
Quantum Books Ltd. , 1997
 Buku Referensi
Whiffen, Marcus
American architecture since 1780: a guide to the styles/Marcus Whiffen
MIT Press, 1992
 Buku Teks
Hiam, Alexander
Clossing quality gap leson from American's leading companies
Prentice-Hall, 1992
 Buku Teks
Keefe, William J.
The American legislative process congress and the state
Prentice-Hall, 1994
 Buku Teks
Mauk, David
American civilzation
Routledge, 1997
 Buku Teks