Não informado. (2011). Monographs of the Western North American Naturalist. Brigham Young University, Monte L. Bean Life Science Museum.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Monographs of the Western North American Naturalist. Provo, Utah: Brigham Young University, Monte L. Bean Life Science Museum, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Monographs of the Western North American Naturalist. Brigham Young University, Monte L. Bean Life Science Museum, 2011.
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