Newland, S. (2021). Prehistoric sea reptiles: Classify the features of prehistoric creatures. Franklin Watts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNewland, Sonya. Prehistoric Sea Reptiles: Classify the Features of Prehistoric Creatures. London: Franklin Watts, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNewland, Sonya. Prehistoric Sea Reptiles: Classify the Features of Prehistoric Creatures. Franklin Watts, 2021.
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