Harmon, D. (1996). Great clean jokes for grown up kids. CLC.
Cita Chicago (17th ed.)Harmon, Dan. Great Clean Jokes for Grown Up Kids. Valenzuela City: CLC, 1996.
Cita MLA (9th ed.)Harmon, Dan. Great Clean Jokes for Grown Up Kids. CLC, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.