Whitwell, G. E., & Patty, E. N. (1921). The magnesite deposits of Washington: Their occurrence and technology. Frank M. Lamborn, public printer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWhitwell, George E., और Ernest N. Patty. The Magnesite Deposits of Washington: Their Occurrence and Technology. Olympia: Frank M. Lamborn, public printer, 1921.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWhitwell, George E., और Ernest N. Patty. The Magnesite Deposits of Washington: Their Occurrence and Technology. Frank M. Lamborn, public printer, 1921.
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