Federal Writers' Project (Or.). (1940). Mount Hood: A guide, compiled by workers of the Writers' program of the Work projects administration in the state of Oregon .. Duell, Sloan and Pearce.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Federal Writers' Project (Or.). Mount Hood: A Guide, Compiled by Workers of the Writers' Program of the Work Projects Administration in the State of Oregon .. [New York]: Duell, Sloan and Pearce, 1940.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Federal Writers' Project (Or.). Mount Hood: A Guide, Compiled by Workers of the Writers' Program of the Work Projects Administration in the State of Oregon .. Duell, Sloan and Pearce, 1940.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.