Washington Wool Growers Association. (1984). Custodians of the land: Recollections of sheep history in Washington state, including Association history. Washington Wool Growers Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington Wool Growers Association. Custodians of the Land: Recollections of Sheep History in Washington State, Including Association History. [Goldendale, Wash] (Rt. 1, Box 266, Goldendale 98620): Washington Wool Growers Association, 1984.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington Wool Growers Association. Custodians of the Land: Recollections of Sheep History in Washington State, Including Association History. Washington Wool Growers Association, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.