Alofsin, Anthony
W.W. Norton & Company, 2002
Buku Teks
edited by Steven Moorhead and Gordon Grice
Rockport Publisher, 1997
Buku Referensi
BooQs publisher data, 2010
Buku Referensi
American Society of landscape architects,
Majalah, Jurnal, Buletin
Walker, Peter
MIT Press, 1998
Buku Teks