Piper, C. V., & Beattie, R. K. (1914). Flora of southeastern Washington and adjacent Idaho. Press of the New Era Printing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPiper, Charles V., और R. Kent Beattie. Flora of Southeastern Washington and Adjacent Idaho. Lancaster, Pa.: Press of the New Era Printing Company, 1914.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPiper, Charles V., और R. Kent Beattie. Flora of Southeastern Washington and Adjacent Idaho. Press of the New Era Printing Company, 1914.
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