Sheller, R. (1952). Courage and water, a story of Yakima Valley's Sunnyside: A factual story of the founding, development and growth of the unique and unusual city of Sunnyside, Washington, located in the heart of the famous Yakima Valley. Binfords & Mort.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sheller, Roscoe. Courage and Water, a Story of Yakima Valley's Sunnyside: A Factual Story of the Founding, Development and Growth of the Unique and Unusual City of Sunnyside, Washington, Located in the Heart of the Famous Yakima Valley. Portland, Or.: Binfords & Mort, 1952.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sheller, Roscoe. Courage and Water, a Story of Yakima Valley's Sunnyside: A Factual Story of the Founding, Development and Growth of the Unique and Unusual City of Sunnyside, Washington, Located in the Heart of the Famous Yakima Valley. Binfords & Mort, 1952.