Otero, G. (1989). Industry-university relationship and biotechnology in the dairy and sugar industries: Contrast between Mexico and the United States. International Labour Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Otero, Gerardo. Industry-university Relationship and Biotechnology in the Dairy and Sugar Industries: Contrast Between Mexico and the United States. Geneva: International Labour Office, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Otero, Gerardo. Industry-university Relationship and Biotechnology in the Dairy and Sugar Industries: Contrast Between Mexico and the United States. International Labour Office, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.