Clinton, B. (2007). Giving: How each of us can change the world. Hutchinson.
Cita Chicago (17th ed.)Clinton, Bill. Giving: How Each of Us Can Change the World. London: Hutchinson, 2007.
Cita MLA (9th ed.)Clinton, Bill. Giving: How Each of Us Can Change the World. Hutchinson, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.