Piper, C. V., & Beattie, R. K. (1914). Flora of southeastern Washington and adjacent Idaho. Press of the New Era Printing Company.
Style de citation Chicago (17e éd.)Piper, Charles V., et R. Kent Beattie. Flora of Southeastern Washington and Adjacent Idaho. Lancaster, Pa.: Press of the New Era Printing Company, 1914.
Style de citation MLA (8e éd.)Piper, Charles V., et R. Kent Beattie. Flora of Southeastern Washington and Adjacent Idaho. Press of the New Era Printing Company, 1914.
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