Frayn, M. (2010). Michael Frayn Plays 4: Copenhagen - democracy - afterlife, with an introduction by the author. Methuen Drama.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrayn, Michael. Michael Frayn Plays 4: Copenhagen - Democracy - Afterlife, with an Introduction by the Author. London: Methuen Drama, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFrayn, Michael. Michael Frayn Plays 4: Copenhagen - Democracy - Afterlife, with an Introduction by the Author. Methuen Drama, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.