Ibelings, Hans, author
NAi Publisher, 2000
Buku Teks
BooQs publisher data, 2010
Buku Referensi
American Society of landscape architects,
Majalah, Jurnal, Buletin
edited by Steven Moorhead and Gordon Grice
Rockport Publisher, 1997
Buku Referensi
Zumthor, Peter
[publisher not identified], 1998
Buku Teks