Roberts, D. K. (1934). The Authors, playwrights & composers handbook. John Lane, The Bodley Head.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoberts, Denys Kilham. The Authors, Playwrights & Composers Handbook. London: John Lane, The Bodley Head, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRoberts, Denys Kilham. The Authors, Playwrights & Composers Handbook. John Lane, The Bodley Head, 1934.
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