توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Philippines University Law Center Division of Continuing Legal Education & Romero, F. R. P. (1970). Naturalization and immigration laws: 1970. Division of Continuing Legal Education, University of the Philippines Law center.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Philippines University Law Center Division of Continuing Legal Education و Flerida Ruth P. Romero. Naturalization and Immigration Laws: 1970. Quezon City: Division of Continuing Legal Education, University of the Philippines Law center, 1970.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Philippines University Law Center Division of Continuing Legal Education و Flerida Ruth P. Romero. Naturalization and Immigration Laws: 1970. Division of Continuing Legal Education, University of the Philippines Law center, 1970.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.