Underhill, J. E. (1974). Wild berries of the Pacific Northwest: On the bush, on the table, in the glass. Superior Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnderhill, J. E. Wild Berries of the Pacific Northwest: On the Bush, on the Table, in the Glass. Seattle: Superior Pub. Co., 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnderhill, J. E. Wild Berries of the Pacific Northwest: On the Bush, on the Table, in the Glass. Superior Pub. Co., 1974.
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