Staley, W. W. (1944). Elementary methods of placer mining (13th ed.). University of Idaho.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStaley, W. W. Elementary Methods of Placer Mining. 13th ed. Moscow: University of Idaho, 1944.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStaley, W. W. Elementary Methods of Placer Mining. 13th ed. University of Idaho, 1944.
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