Não informado. (2020). Science Series. Los Angeles Museum of History Science and Art.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Science Series. Los Angeles, Calif: Los Angeles Museum of History Science and Art, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Science Series. Los Angeles Museum of History Science and Art, 2020.
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