Shriver, L. (2007). The post-birthday world. Harper Perennial.
Cita Chicago (17th ed.)Shriver, Lionel. The Post-birthday World. New York: Harper Perennial, 2007.
Cita MLA (9th ed.)Shriver, Lionel. The Post-birthday World. Harper Perennial, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.