Simmons, I.G.
Interpreting nature : cultural constructions of the environment
Routledge, 1993
 Buku Teks
Nature tourism: managing for the environment / edited by Tensie Whelan
Island Press, 1991
 Buku Teks
Valuing nature ? : economics, ethics and the environment / edited by John Foster
Routledge, 1997
 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
Kusnadi
Fotografi seni Kusnadi : alam, budaya dan lingkungan=Kusnadi's art photography : nature, culture and environment
Dinas Kebudayaan DKI Jakarta, 1994
 Buku Referensi