Isaac, N. (2009). May our celebration of President Manuel L. Quezon's birth anniversary remind our leaders of the principles and policies. Manila Bulletin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Isaac, N.B. "May Our Celebration of President Manuel L. Quezon's Birth Anniversary Remind Our Leaders of the Principles and Policies." Manila Bulletin 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Isaac, N.B. "May Our Celebration of President Manuel L. Quezon's Birth Anniversary Remind Our Leaders of the Principles and Policies." Manila Bulletin, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.