Luna-an, H. L. (1977). The impact of imported breeding cattle on the beef industry of the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Luna-an, Hermetanio Lupiahan. The Impact of Imported Breeding Cattle on the Beef Industry of the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Luna-an, Hermetanio Lupiahan. The Impact of Imported Breeding Cattle on the Beef Industry of the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.