Abdul Hamid Jaafar. (2002). Impacts of the western hemisphere free trade agreement on international trade of soybean oil, soybean meal, and soybeans. Mississippi State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdul Hamid Jaafar. Impacts of the Western Hemisphere Free Trade Agreement on International Trade of Soybean Oil, Soybean Meal, and Soybeans. Mississippi: Mississippi State University, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdul Hamid Jaafar. Impacts of the Western Hemisphere Free Trade Agreement on International Trade of Soybean Oil, Soybean Meal, and Soybeans. Mississippi State University, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.