Waddington, C.H.
The Man-made future
ST. Martin Press, 1978
Buku Teks
Bates, Daniel G.
Human adaptive strategies / Daniel G. Bates, Fred Plog
McGraw-Hill, 1991
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Campbell, B. M. S..
The Great Transition : Climate, Disease and Society in the Late-Medieval World
Cambridge University Press , 2016
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Naisbitt, John
Global paradox the bigger the world economy, the more powerful its smallest players
Brealey, 1994
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Whyte, Ian
World without end ? : environmental disaster and the collapse of empires
I.B. Tauris, 2008
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