Não informado. (1912). Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Bulletin of the Philippine Library Association. Manila: Philippine Library Association, Department of Public Instruction, 1912.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction, 1912.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.