Kaufman, Donald G., author
Biosphere 2000 : protecting our global environment
Kendall/Hunt, 1996
 Buku Teks
Brubaker, Sterling, author
To live on earth: man and his environment in perspective
A Mentor Book, 1972
 Buku Teks
Dasmann, Raymond F. (Raymond Fredric), author
The Conservation alternative
John Wiley & Sons, 1975
 Buku Teks
Environment and Americans : the problem of priorities
Holt, Rinehart and Winston, 1972
 Buku Teks
Annual editions : environment 00/01
editor, John L. Allen
Dushkin/McGraw-Hill, 2000
 Buku Referensi
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