Singer, P. (2009). The life you can save: Cting now to end world poverty (First edition.). AUWSF.
Citazione stile Chigago Style (17a edizione)Singer, Peter. The Life You Can Save: Cting Now to End World Poverty. First edition. New York: AUWSF, 2009.
Citatione MLA (9a ed.)Singer, Peter. The Life You Can Save: Cting Now to End World Poverty. First edition. AUWSF, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.