Epstein, N. (2008). Knitting on top of the world: The global guide to traditions, techniques and design. Nicky Epstein Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEpstein, Nicky. Knitting on top of the World: The Global Guide to Traditions, Techniques and Design. New York: Nicky Epstein Books, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEpstein, Nicky. Knitting on top of the World: The Global Guide to Traditions, Techniques and Design. Nicky Epstein Books, 2008.
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