Frayn, M. (2010). Michael Frayn Plays 4: Copenhagen - democracy - afterlife, with an introduction by the author. Methuen Drama.
Lua i Stíl Chicago (17ú heag.)Frayn, Michael. Michael Frayn Plays 4: Copenhagen - Democracy - Afterlife, with an Introduction by the Author. London: Methuen Drama, 2010.
Lua MLA (9ú heag.)Frayn, Michael. Michael Frayn Plays 4: Copenhagen - Democracy - Afterlife, with an Introduction by the Author. Methuen Drama, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.