Redman, Barbara Klug, author
Mosby , 2007
Buku Teks
Katirji, Bashar, author
Mosby Elsevier, 2007
Buku Teks
Schenck, Hilbert
Buku Teks
Bailey, Kathleen M., author
Cambridge University Press, 2006
Buku Teks
Schmitz, Adrienne, author
Urban Land Institute, 2001
Buku Teks