Estafia, J. C. A. (2013). Philosophical formation in the Philippine catholic seminaries. Boletin Eclesiastico de Filipinas.
Čikaški stil citiranja (17. izdanje)Estafia, Jose Conrado Auza. "Philosophical Formation in the Philippine Catholic Seminaries." Boletin Eclesiastico De Filipinas 2013.
MLA način citiranja (9. izdanje)Estafia, Jose Conrado Auza. "Philosophical Formation in the Philippine Catholic Seminaries." Boletin Eclesiastico De Filipinas, 2013.
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