Hampton, C. (1967). When did you last see my mother?: A play in six scenes. Grove Press.
Chicago-referens (17:e uppl.)Hampton, Christopher. When Did You Last See My Mother?: A Play in Six Scenes. New York: Grove Press, 1967.
MLA-referens (9:e uppl.)Hampton, Christopher. When Did You Last See My Mother?: A Play in Six Scenes. Grove Press, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.