Lewis and Clark Centennial Exposition Portland, Or., & Hardt, H. B. (1905). Official catalogue of the Lewis & CLark Centennial and American Pacific Exposition and Oriental Fair, Portland, Oregon, U.S.A., June 1 to October 15, 1905 .. A. Hess & Co.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lewis and Clark Centennial Exposition Portland, Or., و H. B. Hardt. Official Catalogue of the Lewis & CLark Centennial and American Pacific Exposition and Oriental Fair, Portland, Oregon, U.S.A., June 1 to October 15, 1905 .. Portland, Or.: A. Hess & Co, 1905.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lewis and Clark Centennial Exposition Portland, Or., و H. B. Hardt. Official Catalogue of the Lewis & CLark Centennial and American Pacific Exposition and Oriental Fair, Portland, Oregon, U.S.A., June 1 to October 15, 1905 .. A. Hess & Co, 1905.