University of Washington. College of Forest Resources. (1957). Colonel William B. Greeley lectures in industrial forestry. College of Forestry, University of Washington.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of Washington. College of Forest Resources. Colonel William B. Greeley Lectures in Industrial Forestry. Seattle: College of Forestry, University of Washington, 1957.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of Washington. College of Forest Resources. Colonel William B. Greeley Lectures in Industrial Forestry. College of Forestry, University of Washington, 1957.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.