(1996). Sustaining the future: Economic, social and environmental change in Sub-Saharan Africa. United Nations University Press.
Chicago-Zitierstil (17. Ausg.)Sustaining the Future: Economic, Social and Environmental Change in Sub-Saharan Africa. Tokyo: United Nations University Press, 1996.
MLA-Zitierstil (9. Ausg.)Sustaining the Future: Economic, Social and Environmental Change in Sub-Saharan Africa. United Nations University Press, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.