Abrams, Charles
MIT Press, 1964
Buku Teks
Dwyer, Denis John
Longman, 1979
Buku Teks
Payne, Geoffrey K.
Leonard-Hill, 1977
Buku Teks
edited by Hamish Main and Stephen Why Williams
[Publisher not identified], 1994
Buku Teks
by United Nations Human Settlements Programme
EARTHSCAN, 2005
Buku Teks