Gupit, F., & Martinez, D. T. (1993). A guide to Philippine legal materials: A text on Philippine legal bibliography, Philippine legal history, Philippine legal system, legal philosophy, methods of legal research. Rex Book Store.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gupit, Fortunato, و Daniel T. Martinez. A Guide to Philippine Legal Materials: A Text on Philippine Legal Bibliography, Philippine Legal History, Philippine Legal System, Legal Philosophy, Methods of Legal Research. Manila: Rex Book Store, 1993.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gupit, Fortunato, و Daniel T. Martinez. A Guide to Philippine Legal Materials: A Text on Philippine Legal Bibliography, Philippine Legal History, Philippine Legal System, Legal Philosophy, Methods of Legal Research. Rex Book Store, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.