Seattle Chamber of Commerce. (1926). General industrial analysis of Washington, Oregon, Idaho, Montana. Seattle Chamber of Commerce.
Lua i Stíl Chicago (17ú heag.)Seattle Chamber of Commerce. General Industrial Analysis of Washington, Oregon, Idaho, Montana. [Seattle]: Seattle Chamber of Commerce, 1926.
Lua MLA (8ú heag.)Seattle Chamber of Commerce. General Industrial Analysis of Washington, Oregon, Idaho, Montana. Seattle Chamber of Commerce, 1926.
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