Não informado. (1912). Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin of the Philippine Library Association. Manila: Philippine Library Association, Department of Public Instruction, 1912.
MLA (8e ed.) BronvermeldingNão informado. Bulletin of the Philippine Library Association. Philippine Library Association, Department of Public Instruction, 1912.
Let op: Deze citaties zijn niet altijd 100% accuraat.