Gross, A. (2009). Don't look twice. William Morrow.
Cita Chicago (17th ed.)Gross, Andrew. Don't Look Twice. New York: William Morrow, 2009.
Cita MLA (9th ed.)Gross, Andrew. Don't Look Twice. William Morrow, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.