Samms, O. (2013). Sketchy (First edition.). Amazon Children's Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSamms, Olivia. Sketchy. First edition. Las Vegas, NV: Amazon Children's Publishing, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSamms, Olivia. Sketchy. First edition. Amazon Children's Publishing, 2013.
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