Westlake, D. E. (2007). What's so funny? Warner Books.
Cita Chicago Style (17a ed.)Westlake, Donald E. What's so Funny? New York: Warner Books, 2007.
Cita MLA (8a ed.)Westlake, Donald E. What's so Funny? Warner Books, 2007.
Precaución: Estas citas no son 100% exactas.