Bergler, E. (1956). Laughter and the Sense of Humor: By Edmund Bergler. Intercontinental Medical Book Corp..
Lua i Stíl Chicago (17ú heag.)Bergler, Edmund. Laughter and the Sense of Humor: By Edmund Bergler. New York: Intercontinental Medical Book Corp., 1956.
Lua MLA (8ú heag.)Bergler, Edmund. Laughter and the Sense of Humor: By Edmund Bergler. Intercontinental Medical Book Corp., 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.