Hombs, Mary Ellen
ABC-Clio, 1990
Buku Teks
edited by Rachel Weber and Randall Crane
Oxford University Press, 2012
Buku Teks
Banta, William F., author
Lexington Books, 1989
Buku Teks
Borden, Iain, author
Architectural Press, 2003
Buku Teks
edited by Coleen K. Withgott, Austin G. Anderson
Merriam-Webster, 1981
Buku Referensi