editor, Stephen R. Gliessman
Springer-Verlag, 1990
Buku Teks
Beijer International Institute of Ecological Economics and The World Bank , 1995
Buku Teks
Apfelbaum, Steven I., author
Island Press, 2012
eBooks
Nybakken, James W. (James Willard), author
Gramedia Pustaka Utama, 1992
Buku Teks
Southwood, T.R.E.
Chapman and Hall , 1968
Buku Teks