Sachs, J. D. (2006). The end of poverty: Economic possibilities for our time. Penguin.
Chicago-viite (17. p.)Sachs, Jeffrey D. The End of Poverty: Economic Possibilities for Our Time. New York: Penguin, 2006.
MLA-viite (9. p.)Sachs, Jeffrey D. The End of Poverty: Economic Possibilities for Our Time. Penguin, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.