Mason, D. T. (1920). Timber ownership and lumber production in the Inland empire. Western Pine Manufactures Assoc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMason, David Townsend. Timber Ownership and Lumber Production in the Inland Empire. Portland, Or.: Western Pine Manufactures Assoc., 1920.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMason, David Townsend. Timber Ownership and Lumber Production in the Inland Empire. Western Pine Manufactures Assoc., 1920.
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