Philippines. University. Inter-departmental Reference Service. (1962). Union catalog of Philippine materials of sixty-four government agency libraries of the Philippines. [s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. University. Inter-departmental Reference Service. Union Catalog of Philippine Materials of Sixty-four Government Agency Libraries of the Philippines. Manila: [s.n.], 1962.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. University. Inter-departmental Reference Service. Union Catalog of Philippine Materials of Sixty-four Government Agency Libraries of the Philippines. [s.n.], 1962.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.