Dyfyniad APA
Roeckelein, J. E. (2002). The psychology of humor: A reference guide and annotated bibliography. Greenwood Press.
Dyfyniad Arddull Chicago
Roeckelein, Jon E. The Psychology of Humor: A Reference Guide and Annotated Bibliography. Westport, Conn.: Greenwood Press, 2002.
Dyfyniad MLA
Roeckelein, Jon E. The Psychology of Humor: A Reference Guide and Annotated Bibliography. Greenwood Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.