Hambler, Clive, 1960-
Conservation
Cambridge University Press , 2013
 Buku Teks
I Nyoman Mardika
Cultural heritage : the representation of heritage diversity and challenge to conservation in Denpasar City, Bali
Bappeda of Denpasar City, 2013
 Buku Teks SO
Conservation and agriculture
edited by Joan Davidson and Richard Lloyd
John Wiley & Sons, 1979
 Buku Teks
Dasmann, Raymond F. (Raymond Fredric)
Environmental conservation
John Wiley & Sons, 1972
 Buku Teks
Spellerberg, Ian F.
Biological conservation
Cambridge University Press, 1992
 Buku Teks