Lua APA (7ú heag.)
ebrary, Inc, & Ruch, W. (1998). The sense of humor: Explorations of a personality characteristic. Mouton de Gruyter.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus W. Ruch. The Sense of Humor: Explorations of a Personality Characteristic. Berlin ; New York: Mouton de Gruyter, 1998.
Lua MLA (9ú heag.)
ebrary, Inc, agus W. Ruch. The Sense of Humor: Explorations of a Personality Characteristic. Mouton de Gruyter, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.