Não informado. (1912). Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the Philippine Library Association. Manila: Philippine Library Association, Department of Public Instruction, 1912.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction, 1912.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.