Howd, C. R. (1924). Industrial relations in the west coast lumber industry, December 1923. Govt. Print. Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHowd, Cloice R. Industrial Relations in the West Coast Lumber Industry, December 1923. Washington, D.C.: Govt. Print. Off., 1924.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHowd, Cloice R. Industrial Relations in the West Coast Lumber Industry, December 1923. Govt. Print. Off., 1924.
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