Park, K. Observation in the Margins: 500 - 1500 / Katharine Park. Histories of scientific observation.(2011).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPark, Katharine. "Observation in the Margins: 500 - 1500 / Katharine Park." Histories of Scientific Observation.(2011) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रPark, Katharine. "Observation in the Margins: 500 - 1500 / Katharine Park." Histories of Scientific Observation.(2011), .
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