Hayes, D. W., & Garrison, G. A. (1960). Key to important woody plants of eastern Oregon and Washington. U.S. Govt. Print. Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHayes, Doris W., और George A. Garrison. Key to Important Woody Plants of Eastern Oregon and Washington. Washington: U.S. Govt. Print. Off., 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHayes, Doris W., और George A. Garrison. Key to Important Woody Plants of Eastern Oregon and Washington. U.S. Govt. Print. Off., 1960.
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