GRIFFITHS, T. R. W. (1991). Bloomsbury theatre guide: :the comprehensive guide to who's who and what's what in theatre today. Bloomsbury Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGRIFFITHS, Trevor R. WODDIS. Bloomsbury Theatre Guide: :the Comprehensive Guide to Who's Who and What's What in Theatre Today. Bloomsbury Publishers, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGRIFFITHS, Trevor R. WODDIS. Bloomsbury Theatre Guide: :the Comprehensive Guide to Who's Who and What's What in Theatre Today. Bloomsbury Publishers, 1991.
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