Chicago, Burlington & Quincy Railroad Company, Great Northern Railway Company (U.S.), & Northern Pacific Railway Company. (1924). Treasure lands of the Pacific Northwest. Chicago Burlington & Quincy Railroad.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chicago, Burlington & Quincy Railroad Company, Great Northern Railway Company (U.S.), و Northern Pacific Railway Company. Treasure Lands of the Pacific Northwest. [Chicago, Ill.]: Chicago Burlington & Quincy Railroad, 1924.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chicago, Burlington & Quincy Railroad Company, et al. Treasure Lands of the Pacific Northwest. Chicago Burlington & Quincy Railroad, 1924.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.