Παραπομπή σε μορφή APA (7η εκδ.)

De Viana, A. V. (2011). The five historic churches of Batanes: Sabtang Church (Part 1). Boletin Eclesiastico de Filipinas.

Παραπομπή σε μορφή Chicago (17η εκδ.)

De Viana, Augusto V. "The Five Historic Churches of Batanes: Sabtang Church (Part 1)." Boletin Eclesiastico De Filipinas 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

De Viana, Augusto V. "The Five Historic Churches of Batanes: Sabtang Church (Part 1)." Boletin Eclesiastico De Filipinas, 2011.