1. AHFD, The American Heritage First Dictionary, Houghton Mifflin, Boston-New York, 2007.
2. ALPA (n.d.), Airline Pilots Association. n.d. Aircraft Accident Report, Pan American World Airways Boeing 747, N 737 PA, KLM Royal Dutch Airlines Boeing 747, PH-BUF, Tenerife, Canary Islands, March 27, 1977, Washington, DC.
3. Linguistic Theories of Humor;Attardo,1994
4. Script theory revis(it)ed: joke similarity and joke representation model;Attardo;Humor,1991
5. Indexical expressions;Bar-Hillel;Mind,1954