Não informado. (1912). Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of the Philippine Library Association. Manila: Philippine Library Association, Department of Public Instruction, 1912.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction, 1912.
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