Oregon & Olcott, B. W. (1919). Constitutional amendments adopted by the people at the special election June 4, 1917, and laws enacted by the people at the general election November 5, 1918: Together with the General laws and joint resolutions and memorials... State print. Dept..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Oregon و Ben Wilson Olcott. Constitutional Amendments Adopted by the People at the Special Election June 4, 1917, and Laws Enacted by the People at the General Election November 5, 1918: Together with the General Laws and Joint Resolutions and Memorials... Salem, Or.: State print. Dept., 1919.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Oregon و Ben Wilson Olcott. Constitutional Amendments Adopted by the People at the Special Election June 4, 1917, and Laws Enacted by the People at the General Election November 5, 1918: Together with the General Laws and Joint Resolutions and Memorials... State print. Dept., 1919.