Greenwood, Gordon, 1913-1986
The Future of Australian federalism
University of Queensland, 1976
 Buku Teks
Dunlap, Peter T.
Awakening our faith in the future: the advent of psychological liberalism
Routledge; Taylor & Francis Group, 2008
 Buku Teks
Eagleton, Clyde
The forces that shape our future /​ by Clyde Eagleton.
New York University press, 1945
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Our common future The World Commission on Environment and Development
Oxford Oxford University Press 1987,
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Hari depan kita bersama = Our Common Future
penerjemah, Bambang Sumantri
Gramedia, 1988
 Buku Teks