Não informado. (2018). Proceedings of the Oklahoma Academy of Science. Oklahoma Academy of Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Oklahoma Academy of Science. Weatherford, Okla: Oklahoma Academy of Science, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Oklahoma Academy of Science. Oklahoma Academy of Science, 2018.
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