APA (7 वां संस्करण) प्रशस्ति पत्र

Cohen, R. (2011). Working together in theatre: Collaboration and leadership. Palgrave Macmillan.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Cohen, Robert. Working Together in Theatre: Collaboration and Leadership. Houndmills, Basingstoke, Hampshire ; New York: Palgrave Macmillan, 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Cohen, Robert. Working Together in Theatre: Collaboration and Leadership. Palgrave Macmillan, 2011.