Buell, Lawrence
The future of environmental criticism : environmental crisis and literary imagination
Blackwell Publishing, 2005
 Buku Teks
Plumwood, Val
Environmental culture: the ecological crisis of reason
Routledge, 2002
 Buku Teks
Buddhist approach to environmental crisis : UNDV conference volume
The International Buddhist Conference, 2009
 Buku Teks
The Global environmental crisis / Edited by Marie D. Hoff, John G. McNutt
edited by Marie D. Hoff and John G. McNutt
Avebury, 1994
 Buku Teks
Baillie, James
Hume on morality
Routledge, 2000
 Buku Teks