University of Washington, Henderson, L. F., & Gage, S. (1999). Spokane area botanical collections made by Louis F. Henderson, May-July, 1892: (specimens housed at the University of Washington Herbarium).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Washington, Louis F. Henderson, और Sarah Gage. Spokane Area Botanical Collections Made by Louis F. Henderson, May-July, 1892: (specimens Housed at the University of Washington Herbarium). 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Washington, et al. Spokane Area Botanical Collections Made by Louis F. Henderson, May-July, 1892: (specimens Housed at the University of Washington Herbarium). 1999.
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