Great Northern Railway Company (U.S.). (1909). Second national apple show, Spokane, Washington, November 15-20, 1909. G.N.R..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreat Northern Railway Company (U.S.). Second National Apple Show, Spokane, Washington, November 15-20, 1909. [Spokane: G.N.R., 1909.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGreat Northern Railway Company (U.S.). Second National Apple Show, Spokane, Washington, November 15-20, 1909. G.N.R., 1909.
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