Simmons, I.G.
Interpreting nature : cultural constructions of the environment / I.G. Simmons.
Routledge, 1993
Buku Teks
Nature tourism: managing for the environment / edited by Tensie Whelan
Island Press, 1991
Buku Teks
Laurie, Ian C.
Nature in cities : the natural environment in the design and development of urban green space
Chichester: John Wiley & Sons, 1979
Buku Teks
Valuing nature ? : economics, ethics and the environment / edited by John Foster
Routledge, 1997
Buku Teks
Crowe, Norman
Nature and the idea of a man-made world : an investigation into the evolutionary roots of form and order in the built environment
MIT Press, 1995
Buku Teks