Hudson, S. C. (1972). The feed protein market: A background study. Office of the Minister Responsible for the Canadian Wheat Board, House of Commons.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hudson, Samuel Claude. The Feed Protein Market: A Background Study. [Ottawa: Office of the Minister Responsible for the Canadian Wheat Board, House of Commons, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hudson, Samuel Claude. The Feed Protein Market: A Background Study. Office of the Minister Responsible for the Canadian Wheat Board, House of Commons, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.