Hoffman, Norman S.
A new world of health / Norman S. Hoffman
McGraw-Hill, 1977
 Buku Teks
Whyte, Ian
World without end ? : environmental disaster and the collapse of empires
I.B. Tauris, 2008
 Buku Teks
Gore, Al
Bumi dalam keseimbangan : ekologi dan semangat manusia
Yayasan Obor Indonesia, 1994
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Bodanis, David
The secret family : twenty-for hours inside the mysterious world of our minds and bodies / David Bodanis
Simon & Schuster , 1997
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The world system and the earth system
edited by Alf Hornborg and Carole L. Crumley
Left Coast Press, 2007
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