Washington State Planning Council. (1937). Index of mineral occurrences in the state of Washington ([Rev. ed.].).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington State Planning Council. Index of Mineral Occurrences in the State of Washington. [Rev. ed.]. [Olympia?], 1937.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington State Planning Council. Index of Mineral Occurrences in the State of Washington. [Rev. ed.]. 1937.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.