Kral, T. (1994). Plays for reading (Rev. ed.). Materials Development and Review Branch, English Language Programs Division, United States Information Agency.
Chicago-referens (17:e uppl.)Kral, Thomas. Plays for Reading. Rev. ed. Washington, D.C: Materials Development and Review Branch, English Language Programs Division, United States Information Agency, 1994.
MLA-referens (9:e uppl.)Kral, Thomas. Plays for Reading. Rev. ed. Materials Development and Review Branch, English Language Programs Division, United States Information Agency, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.