Patty, E. N., & Glover, S. L. (1921). The mineral resources of Washington: With statistics for 1919. F.M. Lamborn, public printer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPatty, Ernest N., और Sheldon L. Glover. The Mineral Resources of Washington: With Statistics for 1919. Olympia: F.M. Lamborn, public printer, 1921.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPatty, Ernest N., और Sheldon L. Glover. The Mineral Resources of Washington: With Statistics for 1919. F.M. Lamborn, public printer, 1921.
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