Kaufman, Donald G.
Biosphere 2000 : protecting our global environment
Kendall/Hunt, 1996
 Buku Teks
Environment and Americans : the problem of priorities
Holt, Rinehart and Winston, 1972
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Dasmann, Raymond F. (Raymond Fredric)
The Conservation alternative
John Wiley & Sons, 1975
 Buku Teks
Maxwell, Kenneth E.
Environment of life
Dickenson , 1973
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Smidak, E.F.
J 'Accuse environment and Smidak principles: power and responsibility, action and re-action / E.F. Smidak
Avenira Foundation for Research of Human Society, 1996
 Buku Teks