Spokane Valley Chamber of Commerce & Mitcham, J. B. (1954). Business directory of Spokane Valley. Spokane Valley Chamber of Commerce.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpokane Valley Chamber of Commerce और John B. Mitcham. Business Directory of Spokane Valley. [Spokane]: Spokane Valley Chamber of Commerce, 1954.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpokane Valley Chamber of Commerce और John B. Mitcham. Business Directory of Spokane Valley. Spokane Valley Chamber of Commerce, 1954.
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