Schroff, L., Tresniowski, A., & Root, B. An invisible thread Christmas story. Little Simon, an imprint of Simon & Schuster Childrens Publishing Division, [2015].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchroff, Laura, Alex Tresniowski, और Barry Root. An Invisible Thread Christmas Story. New York ; London: Little Simon, an imprint of Simon & Schuster Childrens Publishing Division, [2015].
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchroff, Laura, et al. An Invisible Thread Christmas Story. Little Simon, an imprint of Simon & Schuster Childrens Publishing Division, [2015].
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