Zobel, F. Silver ex-votos in Ilocos. Philippine studies : a quarterly.
Cita Chicago (17th ed.)Zobel, Fernando. "Silver Ex-votos in Ilocos." Philippine Studies : A Quarterly .
Cita MLA (9th ed.)Zobel, Fernando. "Silver Ex-votos in Ilocos." Philippine Studies : A Quarterly, .
Atenció: Aquestes cites poden no estar 100% correctes.