Washington Conservation Needs Committee. (1962). Washington soil and water conservation needs inventory. Washington Conservation Needs Committee.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington Conservation Needs Committee. Washington Soil and Water Conservation Needs Inventory. [Spokane, Wash.]: Washington Conservation Needs Committee, 1962.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington Conservation Needs Committee. Washington Soil and Water Conservation Needs Inventory. Washington Conservation Needs Committee, 1962.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.