Nuttal, G. C. (1912). Wild flowers as they grow. Cassell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNuttal, G. Clarke. Wild Flowers as They Grow. London, New York: Cassell, 1912.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNuttal, G. Clarke. Wild Flowers as They Grow. Cassell, 1912.
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